Home / 127,165.24-175,520.28-86,895.28

Finding the Fourth Proportional to 127,165.24, 175,520.28 and 86,895.28

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Solution

The fourth proportional to 127,165.24, 175,520.28 and 86,895.28 is: 119,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,165.24 : 175,520.28 = 86,895.28 : x
  2. Step 2: Convert to fraction form
    127,165.24/175,520.28 = 86,895.28/x
  3. Step 3: Cross multiply
    127,165.24x = 175,520.28 × 86,895.28
  4. Step 4: Simplify right side
    127,165.24x = 15,251,883,876.28
  5. Step 5: Solve for x
    x = 15,251,883,876.28/127,165.24
  6. Step 6: Final answer
    x = 119,937.52

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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.