Home / 134,949.85-202,548.67-68,437.71

Finding the Fourth Proportional to 134,949.85, 202,548.67 and 68,437.71

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Solution

The fourth proportional to 134,949.85, 202,548.67 and 68,437.71 is: 102,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,949.85 : 202,548.67 = 68,437.71 : x
  2. Step 2: Convert to fraction form
    134,949.85/202,548.67 = 68,437.71/x
  3. Step 3: Cross multiply
    134,949.85x = 202,548.67 × 68,437.71
  4. Step 4: Simplify right side
    134,949.85x = 13,861,966,967.25
  5. Step 5: Solve for x
    x = 13,861,966,967.25/134,949.85
  6. Step 6: Final answer
    x = 102,719.40

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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.