Home / 127,715.02-176,246.65-74,031.14

Finding the Fourth Proportional to 127,715.02, 176,246.65 and 74,031.14

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Solution

The fourth proportional to 127,715.02, 176,246.65 and 74,031.14 is: 102,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,715.02 : 176,246.65 = 74,031.14 : x
  2. Step 2: Convert to fraction form
    127,715.02/176,246.65 = 74,031.14/x
  3. Step 3: Cross multiply
    127,715.02x = 176,246.65 × 74,031.14
  4. Step 4: Simplify right side
    127,715.02x = 13,047,740,420.68
  5. Step 5: Solve for x
    x = 13,047,740,420.68/127,715.02
  6. Step 6: Final answer
    x = 102,162.93

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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.