Home / 121,715.60-182,529.12-46,797.20

Finding the Fourth Proportional to 121,715.60, 182,529.12 and 46,797.20

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Solution

The fourth proportional to 121,715.60, 182,529.12 and 46,797.20 is: 70,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,715.60 : 182,529.12 = 46,797.20 : x
  2. Step 2: Convert to fraction form
    121,715.60/182,529.12 = 46,797.20/x
  3. Step 3: Cross multiply
    121,715.60x = 182,529.12 × 46,797.20
  4. Step 4: Simplify right side
    121,715.60x = 8,541,851,734.46
  5. Step 5: Solve for x
    x = 8,541,851,734.46/121,715.60
  6. Step 6: Final answer
    x = 70,178.78

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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.