Home / 171,350,826.72-236,658,832.74-115,499,920.56

Finding the Fourth Proportional to 171,350,826.72, 236,658,832.74 and 115,499,920.56

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Solution

The fourth proportional to 171,350,826.72, 236,658,832.74 and 115,499,920.56 is: 159,521,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,350,826.72 : 236,658,832.74 = 115,499,920.56 : x
  2. Step 2: Convert to fraction form
    171,350,826.72/236,658,832.74 = 115,499,920.56/x
  3. Step 3: Cross multiply
    171,350,826.72x = 236,658,832.74 × 115,499,920.56
  4. Step 4: Simplify right side
    171,350,826.72x = 27,334,076,381,292,328
  5. Step 5: Solve for x
    x = 27,334,076,381,292,328/171,350,826.72
  6. Step 6: Final answer
    x = 159,521,123.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.