Home / 88,225.20-132,337.80-87,350.40

Finding the Fourth Proportional to 88,225.20, 132,337.80 and 87,350.40

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Solution

The fourth proportional to 88,225.20, 132,337.80 and 87,350.40 is: 131,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,225.20 : 132,337.80 = 87,350.40 : x
  2. Step 2: Convert to fraction form
    88,225.20/132,337.80 = 87,350.40/x
  3. Step 3: Cross multiply
    88,225.20x = 132,337.80 × 87,350.40
  4. Step 4: Simplify right side
    88,225.20x = 11,559,759,765.12
  5. Step 5: Solve for x
    x = 11,559,759,765.12/88,225.20
  6. Step 6: Final answer
    x = 131,025.60

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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.