Home / 117,833.70-176,645.78-42,939.76

Finding the Fourth Proportional to 117,833.70, 176,645.78 and 42,939.76

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Solution

The fourth proportional to 117,833.70, 176,645.78 and 42,939.76 is: 64,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,833.70 : 176,645.78 = 42,939.76 : x
  2. Step 2: Convert to fraction form
    117,833.70/176,645.78 = 42,939.76/x
  3. Step 3: Cross multiply
    117,833.70x = 176,645.78 × 42,939.76
  4. Step 4: Simplify right side
    117,833.70x = 7,585,127,398.21
  5. Step 5: Solve for x
    x = 7,585,127,398.21/117,833.70
  6. Step 6: Final answer
    x = 64,371.46

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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.