Home / 147,334.40-203,324.16-80,267.52

Finding the Fourth Proportional to 147,334.40, 203,324.16 and 80,267.52

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Solution

The fourth proportional to 147,334.40, 203,324.16 and 80,267.52 is: 110,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,334.40 : 203,324.16 = 80,267.52 : x
  2. Step 2: Convert to fraction form
    147,334.40/203,324.16 = 80,267.52/x
  3. Step 3: Cross multiply
    147,334.40x = 203,324.16 × 80,267.52
  4. Step 4: Simplify right side
    147,334.40x = 16,320,326,079.28
  5. Step 5: Solve for x
    x = 16,320,326,079.28/147,334.40
  6. Step 6: Final answer
    x = 110,770.64

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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.