Home / 119,700.38-165,198.18-89,433.18

Finding the Fourth Proportional to 119,700.38, 165,198.18 and 89,433.18

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Solution

The fourth proportional to 119,700.38, 165,198.18 and 89,433.18 is: 123,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,700.38 : 165,198.18 = 89,433.18 : x
  2. Step 2: Convert to fraction form
    119,700.38/165,198.18 = 89,433.18/x
  3. Step 3: Cross multiply
    119,700.38x = 165,198.18 × 89,433.18
  4. Step 4: Simplify right side
    119,700.38x = 14,774,198,902.99
  5. Step 5: Solve for x
    x = 14,774,198,902.99/119,700.38
  6. Step 6: Final answer
    x = 123,426.50

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1.5x scale

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.