Home / 134,487.20-201,672.48-45,716.90

Finding the Fourth Proportional to 134,487.20, 201,672.48 and 45,716.90

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Solution

The fourth proportional to 134,487.20, 201,672.48 and 45,716.90 is: 68,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,487.20 : 201,672.48 = 45,716.90 : x
  2. Step 2: Convert to fraction form
    134,487.20/201,672.48 = 45,716.90/x
  3. Step 3: Cross multiply
    134,487.20x = 201,672.48 × 45,716.90
  4. Step 4: Simplify right side
    134,487.20x = 9,219,840,600.91
  5. Step 5: Solve for x
    x = 9,219,840,600.91/134,487.20
  6. Step 6: Final answer
    x = 68,555.52

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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.