Home / 262,925.20-394,387.80-96,691.60

Finding the Fourth Proportional to 262,925.20, 394,387.80 and 96,691.60

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Solution

The fourth proportional to 262,925.20, 394,387.80 and 96,691.60 is: 145,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,925.20 : 394,387.80 = 96,691.60 : x
  2. Step 2: Convert to fraction form
    262,925.20/394,387.80 = 96,691.60/x
  3. Step 3: Cross multiply
    262,925.20x = 394,387.80 × 96,691.60
  4. Step 4: Simplify right side
    262,925.20x = 38,133,987,402.48
  5. Step 5: Solve for x
    x = 38,133,987,402.48/262,925.20
  6. Step 6: Final answer
    x = 145,037.40

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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.