Home / 99,306.96-148,960.40-29,186.25

Finding the Fourth Proportional to 99,306.96, 148,960.40 and 29,186.25

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Solution

The fourth proportional to 99,306.96, 148,960.40 and 29,186.25 is: 43,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.96 : 148,960.40 = 29,186.25 : x
  2. Step 2: Convert to fraction form
    99,306.96/148,960.40 = 29,186.25/x
  3. Step 3: Cross multiply
    99,306.96x = 148,960.40 × 29,186.25
  4. Step 4: Simplify right side
    99,306.96x = 4,347,595,328.57
  5. Step 5: Solve for x
    x = 4,347,595,328.57/99,306.96
  6. Step 6: Final answer
    x = 43,779.36

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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.