Home / 149,228.94-223,921.17-66,103.50

Finding the Fourth Proportional to 149,228.94, 223,921.17 and 66,103.50

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Solution

The fourth proportional to 149,228.94, 223,921.17 and 66,103.50 is: 99,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,228.94 : 223,921.17 = 66,103.50 : x
  2. Step 2: Convert to fraction form
    149,228.94/223,921.17 = 66,103.50/x
  3. Step 3: Cross multiply
    149,228.94x = 223,921.17 × 66,103.50
  4. Step 4: Simplify right side
    149,228.94x = 14,801,973,061.10
  5. Step 5: Solve for x
    x = 14,801,973,061.10/149,228.94
  6. Step 6: Final answer
    x = 99,189.70

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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.