Home / 113,371.90-169,863.45-73,908.70

Finding the Fourth Proportional to 113,371.90, 169,863.45 and 73,908.70

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Solution

The fourth proportional to 113,371.90, 169,863.45 and 73,908.70 is: 110,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,371.90 : 169,863.45 = 73,908.70 : x
  2. Step 2: Convert to fraction form
    113,371.90/169,863.45 = 73,908.70/x
  3. Step 3: Cross multiply
    113,371.90x = 169,863.45 × 73,908.70
  4. Step 4: Simplify right side
    113,371.90x = 12,554,386,767.02
  5. Step 5: Solve for x
    x = 12,554,386,767.02/113,371.90
  6. Step 6: Final answer
    x = 110,736.32

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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.