Home / 185,317.88-255,766.11-117,341.16

Finding the Fourth Proportional to 185,317.88, 255,766.11 and 117,341.16

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Solution

The fourth proportional to 185,317.88, 255,766.11 and 117,341.16 is: 161,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,317.88 : 255,766.11 = 117,341.16 : x
  2. Step 2: Convert to fraction form
    185,317.88/255,766.11 = 117,341.16/x
  3. Step 3: Cross multiply
    185,317.88x = 255,766.11 × 117,341.16
  4. Step 4: Simplify right side
    185,317.88x = 30,011,890,636.94
  5. Step 5: Solve for x
    x = 30,011,890,636.94/185,317.88
  6. Step 6: Final answer
    x = 161,948.17

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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.