Home / 127,356.72-175,774.68-73,633.20

Finding the Fourth Proportional to 127,356.72, 175,774.68 and 73,633.20

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Solution

The fourth proportional to 127,356.72, 175,774.68 and 73,633.20 is: 101,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,356.72 : 175,774.68 = 73,633.20 : x
  2. Step 2: Convert to fraction form
    127,356.72/175,774.68 = 73,633.20/x
  3. Step 3: Cross multiply
    127,356.72x = 175,774.68 × 73,633.20
  4. Step 4: Simplify right side
    127,356.72x = 12,942,852,167.38
  5. Step 5: Solve for x
    x = 12,942,852,167.38/127,356.72
  6. Step 6: Final answer
    x = 101,626.77

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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.