Home / 127,276.38-175,631.10-73,564.86

Finding the Fourth Proportional to 127,276.38, 175,631.10 and 73,564.86

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Solution

The fourth proportional to 127,276.38, 175,631.10 and 73,564.86 is: 101,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,276.38 : 175,631.10 = 73,564.86 : x
  2. Step 2: Convert to fraction form
    127,276.38/175,631.10 = 73,564.86/x
  3. Step 3: Cross multiply
    127,276.38x = 175,631.10 × 73,564.86
  4. Step 4: Simplify right side
    127,276.38x = 12,920,277,283.15
  5. Step 5: Solve for x
    x = 12,920,277,283.15/127,276.38
  6. Step 6: Final answer
    x = 101,513.55

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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.