Home / 371,915.46-557,546.16-147,433.58

Finding the Fourth Proportional to 371,915.46, 557,546.16 and 147,433.58

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Solution

The fourth proportional to 371,915.46, 557,546.16 and 147,433.58 is: 221,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,915.46 : 557,546.16 = 147,433.58 : x
  2. Step 2: Convert to fraction form
    371,915.46/557,546.16 = 147,433.58/x
  3. Step 3: Cross multiply
    371,915.46x = 557,546.16 × 147,433.58
  4. Step 4: Simplify right side
    371,915.46x = 82,201,023,596.32
  5. Step 5: Solve for x
    x = 82,201,023,596.32/371,915.46
  6. Step 6: Final answer
    x = 221,020.72

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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.