Home / 153,026.85-229,540.28-105,787.65

Finding the Fourth Proportional to 153,026.85, 229,540.28 and 105,787.65

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Solution

The fourth proportional to 153,026.85, 229,540.28 and 105,787.65 is: 158,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,026.85 : 229,540.28 = 105,787.65 : x
  2. Step 2: Convert to fraction form
    153,026.85/229,540.28 = 105,787.65/x
  3. Step 3: Cross multiply
    153,026.85x = 229,540.28 × 105,787.65
  4. Step 4: Simplify right side
    153,026.85x = 24,282,526,272.60
  5. Step 5: Solve for x
    x = 24,282,526,272.60/153,026.85
  6. Step 6: Final answer
    x = 158,681.48

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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.