Home / 117,738.36-176,613.66-38,858.76

Finding the Fourth Proportional to 117,738.36, 176,613.66 and 38,858.76

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Solution

The fourth proportional to 117,738.36, 176,613.66 and 38,858.76 is: 58,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,738.36 : 176,613.66 = 38,858.76 : x
  2. Step 2: Convert to fraction form
    117,738.36/176,613.66 = 38,858.76/x
  3. Step 3: Cross multiply
    117,738.36x = 176,613.66 × 38,858.76
  4. Step 4: Simplify right side
    117,738.36x = 6,862,987,826.66
  5. Step 5: Solve for x
    x = 6,862,987,826.66/117,738.36
  6. Step 6: Final answer
    x = 58,290.16

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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.