Home / 154,620.90-231,796.35-59,915.70

Finding the Fourth Proportional to 154,620.90, 231,796.35 and 59,915.70

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Solution

The fourth proportional to 154,620.90, 231,796.35 and 59,915.70 is: 89,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,620.90 : 231,796.35 = 59,915.70 : x
  2. Step 2: Convert to fraction form
    154,620.90/231,796.35 = 59,915.70/x
  3. Step 3: Cross multiply
    154,620.90x = 231,796.35 × 59,915.70
  4. Step 4: Simplify right side
    154,620.90x = 13,888,240,567.70
  5. Step 5: Solve for x
    x = 13,888,240,567.70/154,620.90
  6. Step 6: Final answer
    x = 89,821.24

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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.