Home / 229,131.78-343,586.55-134,392.90

Finding the Fourth Proportional to 229,131.78, 343,586.55 and 134,392.90

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Solution

The fourth proportional to 229,131.78, 343,586.55 and 134,392.90 is: 201,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,131.78 : 343,586.55 = 134,392.90 : x
  2. Step 2: Convert to fraction form
    229,131.78/343,586.55 = 134,392.90/x
  3. Step 3: Cross multiply
    229,131.78x = 343,586.55 × 134,392.90
  4. Step 4: Simplify right side
    229,131.78x = 46,175,592,855.50
  5. Step 5: Solve for x
    x = 46,175,592,855.50/229,131.78
  6. Step 6: Final answer
    x = 201,524.17

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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.