Home / 158,051.90-218,132.52-90,093.44

Finding the Fourth Proportional to 158,051.90, 218,132.52 and 90,093.44

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Solution

The fourth proportional to 158,051.90, 218,132.52 and 90,093.44 is: 124,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,051.90 : 218,132.52 = 90,093.44 : x
  2. Step 2: Convert to fraction form
    158,051.90/218,132.52 = 90,093.44/x
  3. Step 3: Cross multiply
    158,051.90x = 218,132.52 × 90,093.44
  4. Step 4: Simplify right side
    158,051.90x = 19,652,309,102.67
  5. Step 5: Solve for x
    x = 19,652,309,102.67/158,051.90
  6. Step 6: Final answer
    x = 124,340.86

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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.