Home / 109,439.10-164,158.65-95,004.90

Finding the Fourth Proportional to 109,439.10, 164,158.65 and 95,004.90

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Solution

The fourth proportional to 109,439.10, 164,158.65 and 95,004.90 is: 142,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,439.10 : 164,158.65 = 95,004.90 : x
  2. Step 2: Convert to fraction form
    109,439.10/164,158.65 = 95,004.90/x
  3. Step 3: Cross multiply
    109,439.10x = 164,158.65 × 95,004.90
  4. Step 4: Simplify right side
    109,439.10x = 15,595,876,127.39
  5. Step 5: Solve for x
    x = 15,595,876,127.39/109,439.10
  6. Step 6: Final answer
    x = 142,507.35

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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.