Home / 113,187.42-169,780.95-30,081.42

Finding the Fourth Proportional to 113,187.42, 169,780.95 and 30,081.42

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Solution

The fourth proportional to 113,187.42, 169,780.95 and 30,081.42 is: 45,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187.42 : 169,780.95 = 30,081.42 : x
  2. Step 2: Convert to fraction form
    113,187.42/169,780.95 = 30,081.42/x
  3. Step 3: Cross multiply
    113,187.42x = 169,780.95 × 30,081.42
  4. Step 4: Simplify right side
    113,187.42x = 5,107,252,064.95
  5. Step 5: Solve for x
    x = 5,107,252,064.95/113,187.42
  6. Step 6: Final answer
    x = 45,122.08

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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.