Home / 141,726.28-195,561.93-81,299.47

Finding the Fourth Proportional to 141,726.28, 195,561.93 and 81,299.47

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Solution

The fourth proportional to 141,726.28, 195,561.93 and 81,299.47 is: 112,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,726.28 : 195,561.93 = 81,299.47 : x
  2. Step 2: Convert to fraction form
    141,726.28/195,561.93 = 81,299.47/x
  3. Step 3: Cross multiply
    141,726.28x = 195,561.93 × 81,299.47
  4. Step 4: Simplify right side
    141,726.28x = 15,899,081,261.18
  5. Step 5: Solve for x
    x = 15,899,081,261.18/141,726.28
  6. Step 6: Final answer
    x = 112,181.60

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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.