Home / 147,780.15-221,701.38-47,932.58

Finding the Fourth Proportional to 147,780.15, 221,701.38 and 47,932.58

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Solution

The fourth proportional to 147,780.15, 221,701.38 and 47,932.58 is: 71,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,780.15 : 221,701.38 = 47,932.58 : x
  2. Step 2: Convert to fraction form
    147,780.15/221,701.38 = 47,932.58/x
  3. Step 3: Cross multiply
    147,780.15x = 221,701.38 × 47,932.58
  4. Step 4: Simplify right side
    147,780.15x = 10,626,717,784.79
  5. Step 5: Solve for x
    x = 10,626,717,784.79/147,780.15
  6. Step 6: Final answer
    x = 71,908.97

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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.