Home / 109,909.40-164,426.70-95,280.80

Finding the Fourth Proportional to 109,909.40, 164,426.70 and 95,280.80

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Solution

The fourth proportional to 109,909.40, 164,426.70 and 95,280.80 is: 142,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,909.40 : 164,426.70 = 95,280.80 : x
  2. Step 2: Convert to fraction form
    109,909.40/164,426.70 = 95,280.80/x
  3. Step 3: Cross multiply
    109,909.40x = 164,426.70 × 95,280.80
  4. Step 4: Simplify right side
    109,909.40x = 15,666,707,517.36
  5. Step 5: Solve for x
    x = 15,666,707,517.36/109,909.40
  6. Step 6: Final answer
    x = 142,542.02

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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.