Home / 147,555.40-221,333.10-58,872.55

Finding the Fourth Proportional to 147,555.40, 221,333.10 and 58,872.55

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Solution

The fourth proportional to 147,555.40, 221,333.10 and 58,872.55 is: 88,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,555.40 : 221,333.10 = 58,872.55 : x
  2. Step 2: Convert to fraction form
    147,555.40/221,333.10 = 58,872.55/x
  3. Step 3: Cross multiply
    147,555.40x = 221,333.10 × 58,872.55
  4. Step 4: Simplify right side
    147,555.40x = 13,030,443,996.41
  5. Step 5: Solve for x
    x = 13,030,443,996.41/147,555.40
  6. Step 6: Final answer
    x = 88,308.83

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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.