Home / 147,781.83-221,703.92-47,934.27

Finding the Fourth Proportional to 147,781.83, 221,703.92 and 47,934.27

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Solution

The fourth proportional to 147,781.83, 221,703.92 and 47,934.27 is: 71,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,781.83 : 221,703.92 = 47,934.27 : x
  2. Step 2: Convert to fraction form
    147,781.83/221,703.92 = 47,934.27/x
  3. Step 3: Cross multiply
    147,781.83x = 221,703.92 × 47,934.27
  4. Step 4: Simplify right side
    147,781.83x = 10,627,215,681.17
  5. Step 5: Solve for x
    x = 10,627,215,681.17/147,781.83
  6. Step 6: Final answer
    x = 71,911.52

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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.