Home / 127,753.47-176,260.74-74,028.10

Finding the Fourth Proportional to 127,753.47, 176,260.74 and 74,028.10

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Solution

The fourth proportional to 127,753.47, 176,260.74 and 74,028.10 is: 102,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,753.47 : 176,260.74 = 74,028.10 : x
  2. Step 2: Convert to fraction form
    127,753.47/176,260.74 = 74,028.10/x
  3. Step 3: Cross multiply
    127,753.47x = 176,260.74 × 74,028.10
  4. Step 4: Simplify right side
    127,753.47x = 13,048,247,686.79
  5. Step 5: Solve for x
    x = 13,048,247,686.79/127,753.47
  6. Step 6: Final answer
    x = 102,136.15

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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.