Home / 133,985.52-200,959.20-45,227.34

Finding the Fourth Proportional to 133,985.52, 200,959.20 and 45,227.34

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Solution

The fourth proportional to 133,985.52, 200,959.20 and 45,227.34 is: 67,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,985.52 : 200,959.20 = 45,227.34 : x
  2. Step 2: Convert to fraction form
    133,985.52/200,959.20 = 45,227.34/x
  3. Step 3: Cross multiply
    133,985.52x = 200,959.20 × 45,227.34
  4. Step 4: Simplify right side
    133,985.52x = 9,088,850,064.53
  5. Step 5: Solve for x
    x = 9,088,850,064.53/133,985.52
  6. Step 6: Final answer
    x = 67,834.57

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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.