Home / 329,742.72-454,541.76-202,181.76

Finding the Fourth Proportional to 329,742.72, 454,541.76 and 202,181.76

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Solution

The fourth proportional to 329,742.72, 454,541.76 and 202,181.76 is: 278,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,742.72 : 454,541.76 = 202,181.76 : x
  2. Step 2: Convert to fraction form
    329,742.72/454,541.76 = 202,181.76/x
  3. Step 3: Cross multiply
    329,742.72x = 454,541.76 × 202,181.76
  4. Step 4: Simplify right side
    329,742.72x = 91,900,053,030.30
  5. Step 5: Solve for x
    x = 91,900,053,030.30/329,742.72
  6. Step 6: Final answer
    x = 278,702.30

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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.