Home / 324,123.40-486,185.10-181,822.60

Finding the Fourth Proportional to 324,123.40, 486,185.10 and 181,822.60

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Solution

The fourth proportional to 324,123.40, 486,185.10 and 181,822.60 is: 272,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,123.40 : 486,185.10 = 181,822.60 : x
  2. Step 2: Convert to fraction form
    324,123.40/486,185.10 = 181,822.60/x
  3. Step 3: Cross multiply
    324,123.40x = 486,185.10 × 181,822.60
  4. Step 4: Simplify right side
    324,123.40x = 88,399,438,963.26
  5. Step 5: Solve for x
    x = 88,399,438,963.26/324,123.40
  6. Step 6: Final answer
    x = 272,733.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.