Home / 148,424.14-204,823.02-80,439.22

Finding the Fourth Proportional to 148,424.14, 204,823.02 and 80,439.22

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Solution

The fourth proportional to 148,424.14, 204,823.02 and 80,439.22 is: 111,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,424.14 : 204,823.02 = 80,439.22 : x
  2. Step 2: Convert to fraction form
    148,424.14/204,823.02 = 80,439.22/x
  3. Step 3: Cross multiply
    148,424.14x = 204,823.02 × 80,439.22
  4. Step 4: Simplify right side
    148,424.14x = 16,475,803,966.84
  5. Step 5: Solve for x
    x = 16,475,803,966.84/148,424.14
  6. Step 6: Final answer
    x = 111,004.88

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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.