Home / 109,945.40-164,426.02-92,230.70

Finding the Fourth Proportional to 109,945.40, 164,426.02 and 92,230.70

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Solution

The fourth proportional to 109,945.40, 164,426.02 and 92,230.70 is: 137,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,945.40 : 164,426.02 = 92,230.70 : x
  2. Step 2: Convert to fraction form
    109,945.40/164,426.02 = 92,230.70/x
  3. Step 3: Cross multiply
    109,945.40x = 164,426.02 × 92,230.70
  4. Step 4: Simplify right side
    109,945.40x = 15,165,126,922.81
  5. Step 5: Solve for x
    x = 15,165,126,922.81/109,945.40
  6. Step 6: Final answer
    x = 137,933.26

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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.