Home / 136,713.68-205,161.66-52,543.34

Finding the Fourth Proportional to 136,713.68, 205,161.66 and 52,543.34

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Solution

The fourth proportional to 136,713.68, 205,161.66 and 52,543.34 is: 78,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,713.68 : 205,161.66 = 52,543.34 : x
  2. Step 2: Convert to fraction form
    136,713.68/205,161.66 = 52,543.34/x
  3. Step 3: Cross multiply
    136,713.68x = 205,161.66 × 52,543.34
  4. Step 4: Simplify right side
    136,713.68x = 10,779,878,856.34
  5. Step 5: Solve for x
    x = 10,779,878,856.34/136,713.68
  6. Step 6: Final answer
    x = 78,850.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.