Home / 147,505.66-221,049.21-113,643.58

Finding the Fourth Proportional to 147,505.66, 221,049.21 and 113,643.58

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Solution

The fourth proportional to 147,505.66, 221,049.21 and 113,643.58 is: 170,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,505.66 : 221,049.21 = 113,643.58 : x
  2. Step 2: Convert to fraction form
    147,505.66/221,049.21 = 113,643.58/x
  3. Step 3: Cross multiply
    147,505.66x = 221,049.21 × 113,643.58
  4. Step 4: Simplify right side
    147,505.66x = 25,120,823,580.57
  5. Step 5: Solve for x
    x = 25,120,823,580.57/147,505.66
  6. Step 6: Final answer
    x = 170,304.13

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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.