Home / 141,301.40-194,993.69-77,637.83

Finding the Fourth Proportional to 141,301.40, 194,993.69 and 77,637.83

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Solution

The fourth proportional to 141,301.40, 194,993.69 and 77,637.83 is: 107,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,301.40 : 194,993.69 = 77,637.83 : x
  2. Step 2: Convert to fraction form
    141,301.40/194,993.69 = 77,637.83/x
  3. Step 3: Cross multiply
    141,301.40x = 194,993.69 × 77,637.83
  4. Step 4: Simplify right side
    141,301.40x = 15,138,887,054.59
  5. Step 5: Solve for x
    x = 15,138,887,054.59/141,301.40
  6. Step 6: Final answer
    x = 107,138.97

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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.