Home / 113,130.81-169,696.62-38,251.58

Finding the Fourth Proportional to 113,130.81, 169,696.62 and 38,251.58

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Solution

The fourth proportional to 113,130.81, 169,696.62 and 38,251.58 is: 57,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,130.81 : 169,696.62 = 38,251.58 : x
  2. Step 2: Convert to fraction form
    113,130.81/169,696.62 = 38,251.58/x
  3. Step 3: Cross multiply
    113,130.81x = 169,696.62 × 38,251.58
  4. Step 4: Simplify right side
    113,130.81x = 6,491,162,987.18
  5. Step 5: Solve for x
    x = 6,491,162,987.18/113,130.81
  6. Step 6: Final answer
    x = 57,377.50

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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.