Home / 651,399.20-977,098.80-178,132.40

Finding the Fourth Proportional to 651,399.20, 977,098.80 and 178,132.40

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Solution

The fourth proportional to 651,399.20, 977,098.80 and 178,132.40 is: 267,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,399.20 : 977,098.80 = 178,132.40 : x
  2. Step 2: Convert to fraction form
    651,399.20/977,098.80 = 178,132.40/x
  3. Step 3: Cross multiply
    651,399.20x = 977,098.80 × 178,132.40
  4. Step 4: Simplify right side
    651,399.20x = 174,052,954,281.12
  5. Step 5: Solve for x
    x = 174,052,954,281.12/651,399.20
  6. Step 6: Final answer
    x = 267,198.60

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Similar ratio
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1.5x scale

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.