Home / 153,870.44-231,211.56-82,845.59

Finding the Fourth Proportional to 153,870.44, 231,211.56 and 82,845.59

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Solution

The fourth proportional to 153,870.44, 231,211.56 and 82,845.59 is: 124,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,870.44 : 231,211.56 = 82,845.59 : x
  2. Step 2: Convert to fraction form
    153,870.44/231,211.56 = 82,845.59/x
  3. Step 3: Cross multiply
    153,870.44x = 231,211.56 × 82,845.59
  4. Step 4: Simplify right side
    153,870.44x = 19,154,857,257.63
  5. Step 5: Solve for x
    x = 19,154,857,257.63/153,870.44
  6. Step 6: Final answer
    x = 124,486.92

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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.