Home / 134,799.90-202,329.45-68,315.10

Finding the Fourth Proportional to 134,799.90, 202,329.45 and 68,315.10

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Solution

The fourth proportional to 134,799.90, 202,329.45 and 68,315.10 is: 102,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,799.90 : 202,329.45 = 68,315.10 : x
  2. Step 2: Convert to fraction form
    134,799.90/202,329.45 = 68,315.10/x
  3. Step 3: Cross multiply
    134,799.90x = 202,329.45 × 68,315.10
  4. Step 4: Simplify right side
    134,799.90x = 13,822,156,609.70
  5. Step 5: Solve for x
    x = 13,822,156,609.70/134,799.90
  6. Step 6: Final answer
    x = 102,538.33

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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.