Home / 149,591.04-206,531.28-93,078.96

Finding the Fourth Proportional to 149,591.04, 206,531.28 and 93,078.96

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Solution

The fourth proportional to 149,591.04, 206,531.28 and 93,078.96 is: 128,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,591.04 : 206,531.28 = 93,078.96 : x
  2. Step 2: Convert to fraction form
    149,591.04/206,531.28 = 93,078.96/x
  3. Step 3: Cross multiply
    149,591.04x = 206,531.28 × 93,078.96
  4. Step 4: Simplify right side
    149,591.04x = 19,223,716,749.87
  5. Step 5: Solve for x
    x = 19,223,716,749.87/149,591.04
  6. Step 6: Final answer
    x = 128,508.48

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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.