Home / 147,780.69-221,702.18-47,933.11

Finding the Fourth Proportional to 147,780.69, 221,702.18 and 47,933.11

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Solution

The fourth proportional to 147,780.69, 221,702.18 and 47,933.11 is: 71,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,780.69 : 221,702.18 = 47,933.11 : x
  2. Step 2: Convert to fraction form
    147,780.69/221,702.18 = 47,933.11/x
  3. Step 3: Cross multiply
    147,780.69x = 221,702.18 × 47,933.11
  4. Step 4: Simplify right side
    147,780.69x = 10,626,875,288.27
  5. Step 5: Solve for x
    x = 10,626,875,288.27/147,780.69
  6. Step 6: Final answer
    x = 71,909.77

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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.