Home / 154,151.67-212,714.35-96,772.65

Finding the Fourth Proportional to 154,151.67, 212,714.35 and 96,772.65

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Solution

The fourth proportional to 154,151.67, 212,714.35 and 96,772.65 is: 133,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,151.67 : 212,714.35 = 96,772.65 : x
  2. Step 2: Convert to fraction form
    154,151.67/212,714.35 = 96,772.65/x
  3. Step 3: Cross multiply
    154,151.67x = 212,714.35 × 96,772.65
  4. Step 4: Simplify right side
    154,151.67x = 20,584,930,302.92
  5. Step 5: Solve for x
    x = 20,584,930,302.92/154,151.67
  6. Step 6: Final answer
    x = 133,536.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.