Home / 113,113.66-169,642.45-38,232.15

Finding the Fourth Proportional to 113,113.66, 169,642.45 and 38,232.15

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Solution

The fourth proportional to 113,113.66, 169,642.45 and 38,232.15 is: 57,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,113.66 : 169,642.45 = 38,232.15 : x
  2. Step 2: Convert to fraction form
    113,113.66/169,642.45 = 38,232.15/x
  3. Step 3: Cross multiply
    113,113.66x = 169,642.45 × 38,232.15
  4. Step 4: Simplify right side
    113,113.66x = 6,485,795,594.77
  5. Step 5: Solve for x
    x = 6,485,795,594.77/113,113.66
  6. Step 6: Final answer
    x = 57,338.75

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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.