Home / 185,810.30-256,524.61-122,332.63

Finding the Fourth Proportional to 185,810.30, 256,524.61 and 122,332.63

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Solution

The fourth proportional to 185,810.30, 256,524.61 and 122,332.63 is: 168,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,810.30 : 256,524.61 = 122,332.63 : x
  2. Step 2: Convert to fraction form
    185,810.30/256,524.61 = 122,332.63/x
  3. Step 3: Cross multiply
    185,810.30x = 256,524.61 × 122,332.63
  4. Step 4: Simplify right side
    185,810.30x = 31,381,328,918.40
  5. Step 5: Solve for x
    x = 31,381,328,918.40/185,810.30
  6. Step 6: Final answer
    x = 168,889.07

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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.