Home / 152,389.20-228,805.74-112,531.17

Finding the Fourth Proportional to 152,389.20, 228,805.74 and 112,531.17

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Solution

The fourth proportional to 152,389.20, 228,805.74 and 112,531.17 is: 168,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,389.20 : 228,805.74 = 112,531.17 : x
  2. Step 2: Convert to fraction form
    152,389.20/228,805.74 = 112,531.17/x
  3. Step 3: Cross multiply
    152,389.20x = 228,805.74 × 112,531.17
  4. Step 4: Simplify right side
    152,389.20x = 25,747,777,624.92
  5. Step 5: Solve for x
    x = 25,747,777,624.92/152,389.20
  6. Step 6: Final answer
    x = 168,960.65

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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.