Home / 141,301.16-194,993.34-77,637.59

Finding the Fourth Proportional to 141,301.16, 194,993.34 and 77,637.59

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Solution

The fourth proportional to 141,301.16, 194,993.34 and 77,637.59 is: 107,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,301.16 : 194,993.34 = 77,637.59 : x
  2. Step 2: Convert to fraction form
    141,301.16/194,993.34 = 77,637.59/x
  3. Step 3: Cross multiply
    141,301.16x = 194,993.34 × 77,637.59
  4. Step 4: Simplify right side
    141,301.16x = 15,138,812,008.68
  5. Step 5: Solve for x
    x = 15,138,812,008.68/141,301.16
  6. Step 6: Final answer
    x = 107,138.63

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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.