Home / 141,005.52-194,586.60-77,342.88

Finding the Fourth Proportional to 141,005.52, 194,586.60 and 77,342.88

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Solution

The fourth proportional to 141,005.52, 194,586.60 and 77,342.88 is: 106,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,005.52 : 194,586.60 = 77,342.88 : x
  2. Step 2: Convert to fraction form
    141,005.52/194,586.60 = 77,342.88/x
  3. Step 3: Cross multiply
    141,005.52x = 194,586.60 × 77,342.88
  4. Step 4: Simplify right side
    141,005.52x = 15,049,888,053.41
  5. Step 5: Solve for x
    x = 15,049,888,053.41/141,005.52
  6. Step 6: Final answer
    x = 106,732.62

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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.