Home / 492,721.40-739,082.10-160,297.40

Finding the Fourth Proportional to 492,721.40, 739,082.10 and 160,297.40

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Solution

The fourth proportional to 492,721.40, 739,082.10 and 160,297.40 is: 240,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,721.40 : 739,082.10 = 160,297.40 : x
  2. Step 2: Convert to fraction form
    492,721.40/739,082.10 = 160,297.40/x
  3. Step 3: Cross multiply
    492,721.40x = 739,082.10 × 160,297.40
  4. Step 4: Simplify right side
    492,721.40x = 118,472,939,016.54
  5. Step 5: Solve for x
    x = 118,472,939,016.54/492,721.40
  6. Step 6: Final answer
    x = 240,446.10

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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.