Home / 169,514.44-254,312.70-51,178.72

Finding the Fourth Proportional to 169,514.44, 254,312.70 and 51,178.72

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Solution

The fourth proportional to 169,514.44, 254,312.70 and 51,178.72 is: 76,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,514.44 : 254,312.70 = 51,178.72 : x
  2. Step 2: Convert to fraction form
    169,514.44/254,312.70 = 51,178.72/x
  3. Step 3: Cross multiply
    169,514.44x = 254,312.70 × 51,178.72
  4. Step 4: Simplify right side
    169,514.44x = 13,015,398,465.74
  5. Step 5: Solve for x
    x = 13,015,398,465.74/169,514.44
  6. Step 6: Final answer
    x = 76,780.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.