Home / 115,591.60-173,272.20-53,153.20

Finding the Fourth Proportional to 115,591.60, 173,272.20 and 53,153.20

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Solution

The fourth proportional to 115,591.60, 173,272.20 and 53,153.20 is: 79,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,591.60 : 173,272.20 = 53,153.20 : x
  2. Step 2: Convert to fraction form
    115,591.60/173,272.20 = 53,153.20/x
  3. Step 3: Cross multiply
    115,591.60x = 173,272.20 × 53,153.20
  4. Step 4: Simplify right side
    115,591.60x = 9,209,971,901.04
  5. Step 5: Solve for x
    x = 9,209,971,901.04/115,591.60
  6. Step 6: Final answer
    x = 79,676.83

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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.