Home / 127,612.26-176,165.28-85,199.04

Finding the Fourth Proportional to 127,612.26, 176,165.28 and 85,199.04

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Solution

The fourth proportional to 127,612.26, 176,165.28 and 85,199.04 is: 117,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.26 : 176,165.28 = 85,199.04 : x
  2. Step 2: Convert to fraction form
    127,612.26/176,165.28 = 85,199.04/x
  3. Step 3: Cross multiply
    127,612.26x = 176,165.28 × 85,199.04
  4. Step 4: Simplify right side
    127,612.26x = 15,009,112,737.33
  5. Step 5: Solve for x
    x = 15,009,112,737.33/127,612.26
  6. Step 6: Final answer
    x = 117,614.97

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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.