Home / 127,812.38-176,382.31-70,453.91

Finding the Fourth Proportional to 127,812.38, 176,382.31 and 70,453.91

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Solution

The fourth proportional to 127,812.38, 176,382.31 and 70,453.91 is: 97,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,812.38 : 176,382.31 = 70,453.91 : x
  2. Step 2: Convert to fraction form
    127,812.38/176,382.31 = 70,453.91/x
  3. Step 3: Cross multiply
    127,812.38x = 176,382.31 × 70,453.91
  4. Step 4: Simplify right side
    127,812.38x = 12,426,822,336.29
  5. Step 5: Solve for x
    x = 12,426,822,336.29/127,812.38
  6. Step 6: Final answer
    x = 97,227.07

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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.