Home / 147,780.59-221,702.03-47,933.01

Finding the Fourth Proportional to 147,780.59, 221,702.03 and 47,933.01

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Solution

The fourth proportional to 147,780.59, 221,702.03 and 47,933.01 is: 71,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,780.59 : 221,702.03 = 47,933.01 : x
  2. Step 2: Convert to fraction form
    147,780.59/221,702.03 = 47,933.01/x
  3. Step 3: Cross multiply
    147,780.59x = 221,702.03 × 47,933.01
  4. Step 4: Simplify right side
    147,780.59x = 10,626,845,740.84
  5. Step 5: Solve for x
    x = 10,626,845,740.84/147,780.59
  6. Step 6: Final answer
    x = 71,909.62

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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.