Home / 129,626.17-193,954.47-92,272.21

Finding the Fourth Proportional to 129,626.17, 193,954.47 and 92,272.21

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Solution

The fourth proportional to 129,626.17, 193,954.47 and 92,272.21 is: 138,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,626.17 : 193,954.47 = 92,272.21 : x
  2. Step 2: Convert to fraction form
    129,626.17/193,954.47 = 92,272.21/x
  3. Step 3: Cross multiply
    129,626.17x = 193,954.47 × 92,272.21
  4. Step 4: Simplify right side
    129,626.17x = 17,896,607,586.28
  5. Step 5: Solve for x
    x = 17,896,607,586.28/129,626.17
  6. Step 6: Final answer
    x = 138,063.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.