Home / 151,143.52-208,540.28-97,363.84

Finding the Fourth Proportional to 151,143.52, 208,540.28 and 97,363.84

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Solution

The fourth proportional to 151,143.52, 208,540.28 and 97,363.84 is: 134,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,143.52 : 208,540.28 = 97,363.84 : x
  2. Step 2: Convert to fraction form
    151,143.52/208,540.28 = 97,363.84/x
  3. Step 3: Cross multiply
    151,143.52x = 208,540.28 × 97,363.84
  4. Step 4: Simplify right side
    151,143.52x = 20,304,282,455.48
  5. Step 5: Solve for x
    x = 20,304,282,455.48/151,143.52
  6. Step 6: Final answer
    x = 134,337.76

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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.