Home / 109,349.35-150,930.25-71,204.11

Finding the Fourth Proportional to 109,349.35, 150,930.25 and 71,204.11

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Solution

The fourth proportional to 109,349.35, 150,930.25 and 71,204.11 is: 98,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,349.35 : 150,930.25 = 71,204.11 : x
  2. Step 2: Convert to fraction form
    109,349.35/150,930.25 = 71,204.11/x
  3. Step 3: Cross multiply
    109,349.35x = 150,930.25 × 71,204.11
  4. Step 4: Simplify right side
    109,349.35x = 10,746,853,567.99
  5. Step 5: Solve for x
    x = 10,746,853,567.99/109,349.35
  6. Step 6: Final answer
    x = 98,280.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.