Home / 127,554.20-191,112.60-83,158.10

Finding the Fourth Proportional to 127,554.20, 191,112.60 and 83,158.10

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Solution

The fourth proportional to 127,554.20, 191,112.60 and 83,158.10 is: 124,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,554.20 : 191,112.60 = 83,158.10 : x
  2. Step 2: Convert to fraction form
    127,554.20/191,112.60 = 83,158.10/x
  3. Step 3: Cross multiply
    127,554.20x = 191,112.60 × 83,158.10
  4. Step 4: Simplify right side
    127,554.20x = 15,892,560,702.06
  5. Step 5: Solve for x
    x = 15,892,560,702.06/127,554.20
  6. Step 6: Final answer
    x = 124,594.57

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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.