Home / 195,373.28-269,487.60-123,678.56

Finding the Fourth Proportional to 195,373.28, 269,487.60 and 123,678.56

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Solution

The fourth proportional to 195,373.28, 269,487.60 and 123,678.56 is: 170,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,373.28 : 269,487.60 = 123,678.56 : x
  2. Step 2: Convert to fraction form
    195,373.28/269,487.60 = 123,678.56/x
  3. Step 3: Cross multiply
    195,373.28x = 269,487.60 × 123,678.56
  4. Step 4: Simplify right side
    195,373.28x = 33,329,838,305.86
  5. Step 5: Solve for x
    x = 33,329,838,305.86/195,373.28
  6. Step 6: Final answer
    x = 170,595.68

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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.