Home / 239,981.34-359,972.01-92,133.66

Finding the Fourth Proportional to 239,981.34, 359,972.01 and 92,133.66

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Solution

The fourth proportional to 239,981.34, 359,972.01 and 92,133.66 is: 138,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,981.34 : 359,972.01 = 92,133.66 : x
  2. Step 2: Convert to fraction form
    239,981.34/359,972.01 = 92,133.66/x
  3. Step 3: Cross multiply
    239,981.34x = 359,972.01 × 92,133.66
  4. Step 4: Simplify right side
    239,981.34x = 33,165,538,778.86
  5. Step 5: Solve for x
    x = 33,165,538,778.86/239,981.34
  6. Step 6: Final answer
    x = 138,200.49

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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.