Home / 115,715.60-173,458.20-53,277.20

Finding the Fourth Proportional to 115,715.60, 173,458.20 and 53,277.20

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Solution

The fourth proportional to 115,715.60, 173,458.20 and 53,277.20 is: 79,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,715.60 : 173,458.20 = 53,277.20 : x
  2. Step 2: Convert to fraction form
    115,715.60/173,458.20 = 53,277.20/x
  3. Step 3: Cross multiply
    115,715.60x = 173,458.20 × 53,277.20
  4. Step 4: Simplify right side
    115,715.60x = 9,241,367,213.04
  5. Step 5: Solve for x
    x = 9,241,367,213.04/115,715.60
  6. Step 6: Final answer
    x = 79,862.76

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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.