Home / 296,569.60-444,811.20-86,185.60

Finding the Fourth Proportional to 296,569.60, 444,811.20 and 86,185.60

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Solution

The fourth proportional to 296,569.60, 444,811.20 and 86,185.60 is: 129,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,569.60 : 444,811.20 = 86,185.60 : x
  2. Step 2: Convert to fraction form
    296,569.60/444,811.20 = 86,185.60/x
  3. Step 3: Cross multiply
    296,569.60x = 444,811.20 × 86,185.60
  4. Step 4: Simplify right side
    296,569.60x = 38,336,320,158.72
  5. Step 5: Solve for x
    x = 38,336,320,158.72/296,569.60
  6. Step 6: Final answer
    x = 129,265.85

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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.