Home / 135,552.29-187,062.15-75,132.01

Finding the Fourth Proportional to 135,552.29, 187,062.15 and 75,132.01

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Solution

The fourth proportional to 135,552.29, 187,062.15 and 75,132.01 is: 103,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,552.29 : 187,062.15 = 75,132.01 : x
  2. Step 2: Convert to fraction form
    135,552.29/187,062.15 = 75,132.01/x
  3. Step 3: Cross multiply
    135,552.29x = 187,062.15 × 75,132.01
  4. Step 4: Simplify right side
    135,552.29x = 14,054,355,324.42
  5. Step 5: Solve for x
    x = 14,054,355,324.42/135,552.29
  6. Step 6: Final answer
    x = 103,682.17

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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.