Home / 127,632.12-176,125.50-73,912.92

Finding the Fourth Proportional to 127,632.12, 176,125.50 and 73,912.92

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Solution

The fourth proportional to 127,632.12, 176,125.50 and 73,912.92 is: 101,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,632.12 : 176,125.50 = 73,912.92 : x
  2. Step 2: Convert to fraction form
    127,632.12/176,125.50 = 73,912.92/x
  3. Step 3: Cross multiply
    127,632.12x = 176,125.50 × 73,912.92
  4. Step 4: Simplify right side
    127,632.12x = 13,017,949,991.46
  5. Step 5: Solve for x
    x = 13,017,949,991.46/127,632.12
  6. Step 6: Final answer
    x = 101,995.88

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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.