Home / 146,225.32-219,337.96-79,721.38

Finding the Fourth Proportional to 146,225.32, 219,337.96 and 79,721.38

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Solution

The fourth proportional to 146,225.32, 219,337.96 and 79,721.38 is: 119,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,225.32 : 219,337.96 = 79,721.38 : x
  2. Step 2: Convert to fraction form
    146,225.32/219,337.96 = 79,721.38/x
  3. Step 3: Cross multiply
    146,225.32x = 219,337.96 × 79,721.38
  4. Step 4: Simplify right side
    146,225.32x = 17,485,923,362.29
  5. Step 5: Solve for x
    x = 17,485,923,362.29/146,225.32
  6. Step 6: Final answer
    x = 119,582.05

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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.