Home / 124,251.60-186,012.90-111,426.06

Finding the Fourth Proportional to 124,251.60, 186,012.90 and 111,426.06

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Solution

The fourth proportional to 124,251.60, 186,012.90 and 111,426.06 is: 166,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,251.60 : 186,012.90 = 111,426.06 : x
  2. Step 2: Convert to fraction form
    124,251.60/186,012.90 = 111,426.06/x
  3. Step 3: Cross multiply
    124,251.60x = 186,012.90 × 111,426.06
  4. Step 4: Simplify right side
    124,251.60x = 20,726,684,556.17
  5. Step 5: Solve for x
    x = 20,726,684,556.17/124,251.60
  6. Step 6: Final answer
    x = 166,812.21

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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.