Home / 149,057.56-205,627.16-88,585.40

Finding the Fourth Proportional to 149,057.56, 205,627.16 and 88,585.40

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Solution

The fourth proportional to 149,057.56, 205,627.16 and 88,585.40 is: 122,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,057.56 : 205,627.16 = 88,585.40 : x
  2. Step 2: Convert to fraction form
    149,057.56/205,627.16 = 88,585.40/x
  3. Step 3: Cross multiply
    149,057.56x = 205,627.16 × 88,585.40
  4. Step 4: Simplify right side
    149,057.56x = 18,215,564,219.46
  5. Step 5: Solve for x
    x = 18,215,564,219.46/149,057.56
  6. Step 6: Final answer
    x = 122,204.90

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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.