Home / 147,781.08-221,702.80-47,933.52

Finding the Fourth Proportional to 147,781.08, 221,702.80 and 47,933.52

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Solution

The fourth proportional to 147,781.08, 221,702.80 and 47,933.52 is: 71,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,781.08 : 221,702.80 = 47,933.52 : x
  2. Step 2: Convert to fraction form
    147,781.08/221,702.80 = 47,933.52/x
  3. Step 3: Cross multiply
    147,781.08x = 221,702.80 × 47,933.52
  4. Step 4: Simplify right side
    147,781.08x = 10,626,995,478.02
  5. Step 5: Solve for x
    x = 10,626,995,478.02/147,781.08
  6. Step 6: Final answer
    x = 71,910.39

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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.