Home / 146,789.48-202,658.90-137,742.59

Finding the Fourth Proportional to 146,789.48, 202,658.90 and 137,742.59

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Solution

The fourth proportional to 146,789.48, 202,658.90 and 137,742.59 is: 190,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,789.48 : 202,658.90 = 137,742.59 : x
  2. Step 2: Convert to fraction form
    146,789.48/202,658.90 = 137,742.59/x
  3. Step 3: Cross multiply
    146,789.48x = 202,658.90 × 137,742.59
  4. Step 4: Simplify right side
    146,789.48x = 27,914,761,590.49
  5. Step 5: Solve for x
    x = 27,914,761,590.49/146,789.48
  6. Step 6: Final answer
    x = 190,168.68

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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.