Home / 140,937.28-194,499.52-84,337.76

Finding the Fourth Proportional to 140,937.28, 194,499.52 and 84,337.76

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Solution

The fourth proportional to 140,937.28, 194,499.52 and 84,337.76 is: 116,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,937.28 : 194,499.52 = 84,337.76 : x
  2. Step 2: Convert to fraction form
    140,937.28/194,499.52 = 84,337.76/x
  3. Step 3: Cross multiply
    140,937.28x = 194,499.52 × 84,337.76
  4. Step 4: Simplify right side
    140,937.28x = 16,403,653,837.88
  5. Step 5: Solve for x
    x = 16,403,653,837.88/140,937.28
  6. Step 6: Final answer
    x = 116,389.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.