Home / 141,001.79-194,581.40-77,339.13

Finding the Fourth Proportional to 141,001.79, 194,581.40 and 77,339.13

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Solution

The fourth proportional to 141,001.79, 194,581.40 and 77,339.13 is: 106,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,001.79 : 194,581.40 = 77,339.13 : x
  2. Step 2: Convert to fraction form
    141,001.79/194,581.40 = 77,339.13/x
  3. Step 3: Cross multiply
    141,001.79x = 194,581.40 × 77,339.13
  4. Step 4: Simplify right side
    141,001.79x = 15,048,756,190.18
  5. Step 5: Solve for x
    x = 15,048,756,190.18/141,001.79
  6. Step 6: Final answer
    x = 106,727.41

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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.