Home / 134,822.64-202,408.92-103,679.76

Finding the Fourth Proportional to 134,822.64, 202,408.92 and 103,679.76

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Solution

The fourth proportional to 134,822.64, 202,408.92 and 103,679.76 is: 155,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,822.64 : 202,408.92 = 103,679.76 : x
  2. Step 2: Convert to fraction form
    134,822.64/202,408.92 = 103,679.76/x
  3. Step 3: Cross multiply
    134,822.64x = 202,408.92 × 103,679.76
  4. Step 4: Simplify right side
    134,822.64x = 20,985,708,247.46
  5. Step 5: Solve for x
    x = 20,985,708,247.46/134,822.64
  6. Step 6: Final answer
    x = 155,654.19

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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.