Home / 127,935.86-176,549.52-74,230.12

Finding the Fourth Proportional to 127,935.86, 176,549.52 and 74,230.12

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Solution

The fourth proportional to 127,935.86, 176,549.52 and 74,230.12 is: 102,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,935.86 : 176,549.52 = 74,230.12 : x
  2. Step 2: Convert to fraction form
    127,935.86/176,549.52 = 74,230.12/x
  3. Step 3: Cross multiply
    127,935.86x = 176,549.52 × 74,230.12
  4. Step 4: Simplify right side
    127,935.86x = 13,105,292,554.59
  5. Step 5: Solve for x
    x = 13,105,292,554.59/127,935.86
  6. Step 6: Final answer
    x = 102,436.43

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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.