Home / 324,548.18-486,868.35-99,927.29

Finding the Fourth Proportional to 324,548.18, 486,868.35 and 99,927.29

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Solution

The fourth proportional to 324,548.18, 486,868.35 and 99,927.29 is: 149,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,548.18 : 486,868.35 = 99,927.29 : x
  2. Step 2: Convert to fraction form
    324,548.18/486,868.35 = 99,927.29/x
  3. Step 3: Cross multiply
    324,548.18x = 486,868.35 × 99,927.29
  4. Step 4: Simplify right side
    324,548.18x = 48,651,431,868.29
  5. Step 5: Solve for x
    x = 48,651,431,868.29/324,548.18
  6. Step 6: Final answer
    x = 149,905.11

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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.