Home / 117,625.25-176,393.68-42,726.88

Finding the Fourth Proportional to 117,625.25, 176,393.68 and 42,726.88

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Solution

The fourth proportional to 117,625.25, 176,393.68 and 42,726.88 is: 64,074.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,625.25 : 176,393.68 = 42,726.88 : x
  2. Step 2: Convert to fraction form
    117,625.25/176,393.68 = 42,726.88/x
  3. Step 3: Cross multiply
    117,625.25x = 176,393.68 × 42,726.88
  4. Step 4: Simplify right side
    117,625.25x = 7,536,751,598.12
  5. Step 5: Solve for x
    x = 7,536,751,598.12/117,625.25
  6. Step 6: Final answer
    x = 64,074.27

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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.