Home / 231,939.40-348,024.30-91,702.60

Finding the Fourth Proportional to 231,939.40, 348,024.30 and 91,702.60

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Solution

The fourth proportional to 231,939.40, 348,024.30 and 91,702.60 is: 137,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,939.40 : 348,024.30 = 91,702.60 : x
  2. Step 2: Convert to fraction form
    231,939.40/348,024.30 = 91,702.60/x
  3. Step 3: Cross multiply
    231,939.40x = 348,024.30 × 91,702.60
  4. Step 4: Simplify right side
    231,939.40x = 31,914,733,173.18
  5. Step 5: Solve for x
    x = 31,914,733,173.18/231,939.40
  6. Step 6: Final answer
    x = 137,599.45

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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.