Home / 113,842.10-157,228.97-88,651.50

Finding the Fourth Proportional to 113,842.10, 157,228.97 and 88,651.50

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Solution

The fourth proportional to 113,842.10, 157,228.97 and 88,651.50 is: 122,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,842.10 : 157,228.97 = 88,651.50 : x
  2. Step 2: Convert to fraction form
    113,842.10/157,228.97 = 88,651.50/x
  3. Step 3: Cross multiply
    113,842.10x = 157,228.97 × 88,651.50
  4. Step 4: Simplify right side
    113,842.10x = 13,938,583,590.70
  5. Step 5: Solve for x
    x = 13,938,583,590.70/113,842.10
  6. Step 6: Final answer
    x = 122,437.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.