Home / 117,154.13-175,694.87-42,264.54

Finding the Fourth Proportional to 117,154.13, 175,694.87 and 42,264.54

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Solution

The fourth proportional to 117,154.13, 175,694.87 and 42,264.54 is: 63,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,154.13 : 175,694.87 = 42,264.54 : x
  2. Step 2: Convert to fraction form
    117,154.13/175,694.87 = 42,264.54/x
  3. Step 3: Cross multiply
    117,154.13x = 175,694.87 × 42,264.54
  4. Step 4: Simplify right side
    117,154.13x = 7,425,662,649.59
  5. Step 5: Solve for x
    x = 7,425,662,649.59/117,154.13
  6. Step 6: Final answer
    x = 63,383.71

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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.