Home / 132,914.88-199,363.68-70,620.48

Finding the Fourth Proportional to 132,914.88, 199,363.68 and 70,620.48

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Solution

The fourth proportional to 132,914.88, 199,363.68 and 70,620.48 is: 105,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,914.88 : 199,363.68 = 70,620.48 : x
  2. Step 2: Convert to fraction form
    132,914.88/199,363.68 = 70,620.48/x
  3. Step 3: Cross multiply
    132,914.88x = 199,363.68 × 70,620.48
  4. Step 4: Simplify right side
    132,914.88x = 14,079,158,776.17
  5. Step 5: Solve for x
    x = 14,079,158,776.17/132,914.88
  6. Step 6: Final answer
    x = 105,926.13

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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.