Home / 147,850.30-221,775.45-54,343.90

Finding the Fourth Proportional to 147,850.30, 221,775.45 and 54,343.90

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Solution

The fourth proportional to 147,850.30, 221,775.45 and 54,343.90 is: 81,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,850.30 : 221,775.45 = 54,343.90 : x
  2. Step 2: Convert to fraction form
    147,850.30/221,775.45 = 54,343.90/x
  3. Step 3: Cross multiply
    147,850.30x = 221,775.45 × 54,343.90
  4. Step 4: Simplify right side
    147,850.30x = 12,052,142,877.26
  5. Step 5: Solve for x
    x = 12,052,142,877.26/147,850.30
  6. Step 6: Final answer
    x = 81,515.85

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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.