Home / 141,101.28-194,723.46-80,681.76

Finding the Fourth Proportional to 141,101.28, 194,723.46 and 80,681.76

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Solution

The fourth proportional to 141,101.28, 194,723.46 and 80,681.76 is: 111,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,101.28 : 194,723.46 = 80,681.76 : x
  2. Step 2: Convert to fraction form
    141,101.28/194,723.46 = 80,681.76/x
  3. Step 3: Cross multiply
    141,101.28x = 194,723.46 × 80,681.76
  4. Step 4: Simplify right side
    141,101.28x = 15,710,631,466.09
  5. Step 5: Solve for x
    x = 15,710,631,466.09/141,101.28
  6. Step 6: Final answer
    x = 111,342.94

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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.