Home / 147,618.28-221,384.08-67,610.96

Finding the Fourth Proportional to 147,618.28, 221,384.08 and 67,610.96

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Solution

The fourth proportional to 147,618.28, 221,384.08 and 67,610.96 is: 101,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,618.28 : 221,384.08 = 67,610.96 : x
  2. Step 2: Convert to fraction form
    147,618.28/221,384.08 = 67,610.96/x
  3. Step 3: Cross multiply
    147,618.28x = 221,384.08 × 67,610.96
  4. Step 4: Simplify right side
    147,618.28x = 14,967,990,177.52
  5. Step 5: Solve for x
    x = 14,967,990,177.52/147,618.28
  6. Step 6: Final answer
    x = 101,396.59

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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.