Home / 129,628.17-193,957.47-92,274.21

Finding the Fourth Proportional to 129,628.17, 193,957.47 and 92,274.21

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Solution

The fourth proportional to 129,628.17, 193,957.47 and 92,274.21 is: 138,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,628.17 : 193,957.47 = 92,274.21 : x
  2. Step 2: Convert to fraction form
    129,628.17/193,957.47 = 92,274.21/x
  3. Step 3: Cross multiply
    129,628.17x = 193,957.47 × 92,274.21
  4. Step 4: Simplify right side
    129,628.17x = 17,897,272,317.85
  5. Step 5: Solve for x
    x = 17,897,272,317.85/129,628.17
  6. Step 6: Final answer
    x = 138,066.23

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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.