Home / 134,917.40-202,376.10-68,562.20

Finding the Fourth Proportional to 134,917.40, 202,376.10 and 68,562.20

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Solution

The fourth proportional to 134,917.40, 202,376.10 and 68,562.20 is: 102,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,917.40 : 202,376.10 = 68,562.20 : x
  2. Step 2: Convert to fraction form
    134,917.40/202,376.10 = 68,562.20/x
  3. Step 3: Cross multiply
    134,917.40x = 202,376.10 × 68,562.20
  4. Step 4: Simplify right side
    134,917.40x = 13,875,350,643.42
  5. Step 5: Solve for x
    x = 13,875,350,643.42/134,917.40
  6. Step 6: Final answer
    x = 102,843.30

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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.