Home / 135,061.17-202,718.87-68,549.03

Finding the Fourth Proportional to 135,061.17, 202,718.87 and 68,549.03

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Solution

The fourth proportional to 135,061.17, 202,718.87 and 68,549.03 is: 102,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,061.17 : 202,718.87 = 68,549.03 : x
  2. Step 2: Convert to fraction form
    135,061.17/202,718.87 = 68,549.03/x
  3. Step 3: Cross multiply
    135,061.17x = 202,718.87 × 68,549.03
  4. Step 4: Simplify right side
    135,061.17x = 13,896,181,901.20
  5. Step 5: Solve for x
    x = 13,896,181,901.20/135,061.17
  6. Step 6: Final answer
    x = 102,888.06

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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.