Home / 127,946.23-176,508.75-74,200.15

Finding the Fourth Proportional to 127,946.23, 176,508.75 and 74,200.15

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Solution

The fourth proportional to 127,946.23, 176,508.75 and 74,200.15 is: 102,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.23 : 176,508.75 = 74,200.15 : x
  2. Step 2: Convert to fraction form
    127,946.23/176,508.75 = 74,200.15/x
  3. Step 3: Cross multiply
    127,946.23x = 176,508.75 × 74,200.15
  4. Step 4: Simplify right side
    127,946.23x = 13,096,975,726.31
  5. Step 5: Solve for x
    x = 13,096,975,726.31/127,946.23
  6. Step 6: Final answer
    x = 102,363.12

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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.