Home / 132,131.28-182,341.29-75,543.84

Finding the Fourth Proportional to 132,131.28, 182,341.29 and 75,543.84

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Solution

The fourth proportional to 132,131.28, 182,341.29 and 75,543.84 is: 104,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,131.28 : 182,341.29 = 75,543.84 : x
  2. Step 2: Convert to fraction form
    132,131.28/182,341.29 = 75,543.84/x
  3. Step 3: Cross multiply
    132,131.28x = 182,341.29 × 75,543.84
  4. Step 4: Simplify right side
    132,131.28x = 13,774,761,237.15
  5. Step 5: Solve for x
    x = 13,774,761,237.15/132,131.28
  6. Step 6: Final answer
    x = 104,250.57

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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.