Home / 140,759.52-194,248.16-77,099.59

Finding the Fourth Proportional to 140,759.52, 194,248.16 and 77,099.59

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Solution

The fourth proportional to 140,759.52, 194,248.16 and 77,099.59 is: 106,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,759.52 : 194,248.16 = 77,099.59 : x
  2. Step 2: Convert to fraction form
    140,759.52/194,248.16 = 77,099.59/x
  3. Step 3: Cross multiply
    140,759.52x = 194,248.16 × 77,099.59
  4. Step 4: Simplify right side
    140,759.52x = 14,976,453,108.76
  5. Step 5: Solve for x
    x = 14,976,453,108.76/140,759.52
  6. Step 6: Final answer
    x = 106,397.45

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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.