Home / 185,726.88-278,605.08-111,354.48

Finding the Fourth Proportional to 185,726.88, 278,605.08 and 111,354.48

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Solution

The fourth proportional to 185,726.88, 278,605.08 and 111,354.48 is: 167,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,726.88 : 278,605.08 = 111,354.48 : x
  2. Step 2: Convert to fraction form
    185,726.88/278,605.08 = 111,354.48/x
  3. Step 3: Cross multiply
    185,726.88x = 278,605.08 × 111,354.48
  4. Step 4: Simplify right side
    185,726.88x = 31,023,923,808.76
  5. Step 5: Solve for x
    x = 31,023,923,808.76/185,726.88
  6. Step 6: Final answer
    x = 167,040.57

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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.