Home / 127,156.23-175,507.43-73,472.40

Finding the Fourth Proportional to 127,156.23, 175,507.43 and 73,472.40

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Solution

The fourth proportional to 127,156.23, 175,507.43 and 73,472.40 is: 101,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,156.23 : 175,507.43 = 73,472.40 : x
  2. Step 2: Convert to fraction form
    127,156.23/175,507.43 = 73,472.40/x
  3. Step 3: Cross multiply
    127,156.23x = 175,507.43 × 73,472.40
  4. Step 4: Simplify right side
    127,156.23x = 12,894,951,732.57
  5. Step 5: Solve for x
    x = 12,894,951,732.57/127,156.23
  6. Step 6: Final answer
    x = 101,410.30

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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.