Home / 185,319.38-255,768.18-117,342.66

Finding the Fourth Proportional to 185,319.38, 255,768.18 and 117,342.66

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Solution

The fourth proportional to 185,319.38, 255,768.18 and 117,342.66 is: 161,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,319.38 : 255,768.18 = 117,342.66 : x
  2. Step 2: Convert to fraction form
    185,319.38/255,768.18 = 117,342.66/x
  3. Step 3: Cross multiply
    185,319.38x = 255,768.18 × 117,342.66
  4. Step 4: Simplify right side
    185,319.38x = 30,012,518,584.56
  5. Step 5: Solve for x
    x = 30,012,518,584.56/185,319.38
  6. Step 6: Final answer
    x = 161,950.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.