Home / 127,626.36-191,460.30-43,394.04

Finding the Fourth Proportional to 127,626.36, 191,460.30 and 43,394.04

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Solution

The fourth proportional to 127,626.36, 191,460.30 and 43,394.04 is: 65,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626.36 : 191,460.30 = 43,394.04 : x
  2. Step 2: Convert to fraction form
    127,626.36/191,460.30 = 43,394.04/x
  3. Step 3: Cross multiply
    127,626.36x = 191,460.30 × 43,394.04
  4. Step 4: Simplify right side
    127,626.36x = 8,308,235,916.61
  5. Step 5: Solve for x
    x = 8,308,235,916.61/127,626.36
  6. Step 6: Final answer
    x = 65,098.12

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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.