Home / 147,517.12-221,289.44-58,749.20

Finding the Fourth Proportional to 147,517.12, 221,289.44 and 58,749.20

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Solution

The fourth proportional to 147,517.12, 221,289.44 and 58,749.20 is: 88,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,517.12 : 221,289.44 = 58,749.20 : x
  2. Step 2: Convert to fraction form
    147,517.12/221,289.44 = 58,749.20/x
  3. Step 3: Cross multiply
    147,517.12x = 221,289.44 × 58,749.20
  4. Step 4: Simplify right side
    147,517.12x = 13,000,577,568.45
  5. Step 5: Solve for x
    x = 13,000,577,568.45/147,517.12
  6. Step 6: Final answer
    x = 88,129.28

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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.