Home / 231,622.95-347,494.35-135,641.22

Finding the Fourth Proportional to 231,622.95, 347,494.35 and 135,641.22

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Solution

The fourth proportional to 231,622.95, 347,494.35 and 135,641.22 is: 203,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,622.95 : 347,494.35 = 135,641.22 : x
  2. Step 2: Convert to fraction form
    231,622.95/347,494.35 = 135,641.22/x
  3. Step 3: Cross multiply
    231,622.95x = 347,494.35 × 135,641.22
  4. Step 4: Simplify right side
    231,622.95x = 47,134,557,577.11
  5. Step 5: Solve for x
    x = 47,134,557,577.11/231,622.95
  6. Step 6: Final answer
    x = 203,496.92

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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.