Home / 147,531.93-220,924.21-91,481.52

Finding the Fourth Proportional to 147,531.93, 220,924.21 and 91,481.52

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Solution

The fourth proportional to 147,531.93, 220,924.21 and 91,481.52 is: 136,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531.93 : 220,924.21 = 91,481.52 : x
  2. Step 2: Convert to fraction form
    147,531.93/220,924.21 = 91,481.52/x
  3. Step 3: Cross multiply
    147,531.93x = 220,924.21 × 91,481.52
  4. Step 4: Simplify right side
    147,531.93x = 20,210,482,535.60
  5. Step 5: Solve for x
    x = 20,210,482,535.60/147,531.93
  6. Step 6: Final answer
    x = 136,990.57

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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.