Home / 127,561.94-176,024.75-75,165.61

Finding the Fourth Proportional to 127,561.94, 176,024.75 and 75,165.61

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Solution

The fourth proportional to 127,561.94, 176,024.75 and 75,165.61 is: 103,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,561.94 : 176,024.75 = 75,165.61 : x
  2. Step 2: Convert to fraction form
    127,561.94/176,024.75 = 75,165.61/x
  3. Step 3: Cross multiply
    127,561.94x = 176,024.75 × 75,165.61
  4. Step 4: Simplify right side
    127,561.94x = 13,231,006,452.90
  5. Step 5: Solve for x
    x = 13,231,006,452.90/127,561.94
  6. Step 6: Final answer
    x = 103,722.21

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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.