Home / 155,415.90-233,469.45-149,540.70

Finding the Fourth Proportional to 155,415.90, 233,469.45 and 149,540.70

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Solution

The fourth proportional to 155,415.90, 233,469.45 and 149,540.70 is: 224,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,415.90 : 233,469.45 = 149,540.70 : x
  2. Step 2: Convert to fraction form
    155,415.90/233,469.45 = 149,540.70/x
  3. Step 3: Cross multiply
    155,415.90x = 233,469.45 × 149,540.70
  4. Step 4: Simplify right side
    155,415.90x = 34,913,184,981.62
  5. Step 5: Solve for x
    x = 34,913,184,981.62/155,415.90
  6. Step 6: Final answer
    x = 224,643.59

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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.