Home / 206,439.06-284,780.88-134,860.98

Finding the Fourth Proportional to 206,439.06, 284,780.88 and 134,860.98

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Solution

The fourth proportional to 206,439.06, 284,780.88 and 134,860.98 is: 186,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,439.06 : 284,780.88 = 134,860.98 : x
  2. Step 2: Convert to fraction form
    206,439.06/284,780.88 = 134,860.98/x
  3. Step 3: Cross multiply
    206,439.06x = 284,780.88 × 134,860.98
  4. Step 4: Simplify right side
    206,439.06x = 38,405,828,562.06
  5. Step 5: Solve for x
    x = 38,405,828,562.06/206,439.06
  6. Step 6: Final answer
    x = 186,039.54

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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.