Home / 141,388.46-195,119.81-76,862.04

Finding the Fourth Proportional to 141,388.46, 195,119.81 and 76,862.04

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Solution

The fourth proportional to 141,388.46, 195,119.81 and 76,862.04 is: 106,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,388.46 : 195,119.81 = 76,862.04 : x
  2. Step 2: Convert to fraction form
    141,388.46/195,119.81 = 76,862.04/x
  3. Step 3: Cross multiply
    141,388.46x = 195,119.81 × 76,862.04
  4. Step 4: Simplify right side
    141,388.46x = 14,997,306,641.01
  5. Step 5: Solve for x
    x = 14,997,306,641.01/141,388.46
  6. Step 6: Final answer
    x = 106,071.65

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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.