Home / 117,519.27-176,348.95-42,645.25

Finding the Fourth Proportional to 117,519.27, 176,348.95 and 42,645.25

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Solution

The fourth proportional to 117,519.27, 176,348.95 and 42,645.25 is: 63,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,519.27 : 176,348.95 = 42,645.25 : x
  2. Step 2: Convert to fraction form
    117,519.27/176,348.95 = 42,645.25/x
  3. Step 3: Cross multiply
    117,519.27x = 176,348.95 × 42,645.25
  4. Step 4: Simplify right side
    117,519.27x = 7,520,445,287.63
  5. Step 5: Solve for x
    x = 7,520,445,287.63/117,519.27
  6. Step 6: Final answer
    x = 63,993.30

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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.