Home / 125,926.26-188,889.18-86,363.43

Finding the Fourth Proportional to 125,926.26, 188,889.18 and 86,363.43

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Solution

The fourth proportional to 125,926.26, 188,889.18 and 86,363.43 is: 129,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,926.26 : 188,889.18 = 86,363.43 : x
  2. Step 2: Convert to fraction form
    125,926.26/188,889.18 = 86,363.43/x
  3. Step 3: Cross multiply
    125,926.26x = 188,889.18 × 86,363.43
  4. Step 4: Simplify right side
    125,926.26x = 16,313,117,474.69
  5. Step 5: Solve for x
    x = 16,313,117,474.69/125,926.26
  6. Step 6: Final answer
    x = 129,545.00

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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.