Home / 136,562.25-188,467.14-75,320.43

Finding the Fourth Proportional to 136,562.25, 188,467.14 and 75,320.43

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Solution

The fourth proportional to 136,562.25, 188,467.14 and 75,320.43 is: 103,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,562.25 : 188,467.14 = 75,320.43 : x
  2. Step 2: Convert to fraction form
    136,562.25/188,467.14 = 75,320.43/x
  3. Step 3: Cross multiply
    136,562.25x = 188,467.14 × 75,320.43
  4. Step 4: Simplify right side
    136,562.25x = 14,195,426,025.67
  5. Step 5: Solve for x
    x = 14,195,426,025.67/136,562.25
  6. Step 6: Final answer
    x = 103,948.39

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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.