Home / 124,138.04-186,132.06-55,737.18

Finding the Fourth Proportional to 124,138.04, 186,132.06 and 55,737.18

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Solution

The fourth proportional to 124,138.04, 186,132.06 and 55,737.18 is: 83,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138.04 : 186,132.06 = 55,737.18 : x
  2. Step 2: Convert to fraction form
    124,138.04/186,132.06 = 55,737.18/x
  3. Step 3: Cross multiply
    124,138.04x = 186,132.06 × 55,737.18
  4. Step 4: Simplify right side
    124,138.04x = 10,374,476,131.99
  5. Step 5: Solve for x
    x = 10,374,476,131.99/124,138.04
  6. Step 6: Final answer
    x = 83,572.10

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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.