Home / 147,439.61-221,159.65-63,193.18

Finding the Fourth Proportional to 147,439.61, 221,159.65 and 63,193.18

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Solution

The fourth proportional to 147,439.61, 221,159.65 and 63,193.18 is: 94,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,439.61 : 221,159.65 = 63,193.18 : x
  2. Step 2: Convert to fraction form
    147,439.61/221,159.65 = 63,193.18/x
  3. Step 3: Cross multiply
    147,439.61x = 221,159.65 × 63,193.18
  4. Step 4: Simplify right side
    147,439.61x = 13,975,781,393.47
  5. Step 5: Solve for x
    x = 13,975,781,393.47/147,439.61
  6. Step 6: Final answer
    x = 94,789.87

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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.