Home / 102,379.16-153,567.92-39,184.58

Finding the Fourth Proportional to 102,379.16, 153,567.92 and 39,184.58

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Solution

The fourth proportional to 102,379.16, 153,567.92 and 39,184.58 is: 58,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,379.16 : 153,567.92 = 39,184.58 : x
  2. Step 2: Convert to fraction form
    102,379.16/153,567.92 = 39,184.58/x
  3. Step 3: Cross multiply
    102,379.16x = 153,567.92 × 39,184.58
  4. Step 4: Simplify right side
    102,379.16x = 6,017,494,446.67
  5. Step 5: Solve for x
    x = 6,017,494,446.67/102,379.16
  6. Step 6: Final answer
    x = 58,776.56

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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.