Home / 189,035.12-283,591.56-129,898.64

Finding the Fourth Proportional to 189,035.12, 283,591.56 and 129,898.64

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Solution

The fourth proportional to 189,035.12, 283,591.56 and 129,898.64 is: 194,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,035.12 : 283,591.56 = 129,898.64 : x
  2. Step 2: Convert to fraction form
    189,035.12/283,591.56 = 129,898.64/x
  3. Step 3: Cross multiply
    189,035.12x = 283,591.56 × 129,898.64
  4. Step 4: Simplify right side
    189,035.12x = 36,838,157,959.48
  5. Step 5: Solve for x
    x = 36,838,157,959.48/189,035.12
  6. Step 6: Final answer
    x = 194,874.68

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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.