Home / 149,868.68-206,818.62-86,204.84

Finding the Fourth Proportional to 149,868.68, 206,818.62 and 86,204.84

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Solution

The fourth proportional to 149,868.68, 206,818.62 and 86,204.84 is: 118,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,868.68 : 206,818.62 = 86,204.84 : x
  2. Step 2: Convert to fraction form
    149,868.68/206,818.62 = 86,204.84/x
  3. Step 3: Cross multiply
    149,868.68x = 206,818.62 × 86,204.84
  4. Step 4: Simplify right side
    149,868.68x = 17,828,766,046.12
  5. Step 5: Solve for x
    x = 17,828,766,046.12/149,868.68
  6. Step 6: Final answer
    x = 118,962.59

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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.