Home / 141,724.64-195,580.53-78,062.29

Finding the Fourth Proportional to 141,724.64, 195,580.53 and 78,062.29

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Solution

The fourth proportional to 141,724.64, 195,580.53 and 78,062.29 is: 107,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,724.64 : 195,580.53 = 78,062.29 : x
  2. Step 2: Convert to fraction form
    141,724.64/195,580.53 = 78,062.29/x
  3. Step 3: Cross multiply
    141,724.64x = 195,580.53 × 78,062.29
  4. Step 4: Simplify right side
    141,724.64x = 15,267,463,562.26
  5. Step 5: Solve for x
    x = 15,267,463,562.26/141,724.64
  6. Step 6: Final answer
    x = 107,726.25

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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.