Home / 148,319.02-204,679.76-80,335.82

Finding the Fourth Proportional to 148,319.02, 204,679.76 and 80,335.82

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Solution

The fourth proportional to 148,319.02, 204,679.76 and 80,335.82 is: 110,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,319.02 : 204,679.76 = 80,335.82 : x
  2. Step 2: Convert to fraction form
    148,319.02/204,679.76 = 80,335.82/x
  3. Step 3: Cross multiply
    148,319.02x = 204,679.76 × 80,335.82
  4. Step 4: Simplify right side
    148,319.02x = 16,443,116,357.00
  5. Step 5: Solve for x
    x = 16,443,116,357.00/148,319.02
  6. Step 6: Final answer
    x = 110,863.17

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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.