Home / 234,207.18-351,274.32-76,400.55

Finding the Fourth Proportional to 234,207.18, 351,274.32 and 76,400.55

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Solution

The fourth proportional to 234,207.18, 351,274.32 and 76,400.55 is: 114,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,207.18 : 351,274.32 = 76,400.55 : x
  2. Step 2: Convert to fraction form
    234,207.18/351,274.32 = 76,400.55/x
  3. Step 3: Cross multiply
    234,207.18x = 351,274.32 × 76,400.55
  4. Step 4: Simplify right side
    234,207.18x = 26,837,551,248.88
  5. Step 5: Solve for x
    x = 26,837,551,248.88/234,207.18
  6. Step 6: Final answer
    x = 114,588.93

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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.