Home / 153,231.69-229,695.03-73,176.07

Finding the Fourth Proportional to 153,231.69, 229,695.03 and 73,176.07

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Solution

The fourth proportional to 153,231.69, 229,695.03 and 73,176.07 is: 109,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,231.69 : 229,695.03 = 73,176.07 : x
  2. Step 2: Convert to fraction form
    153,231.69/229,695.03 = 73,176.07/x
  3. Step 3: Cross multiply
    153,231.69x = 229,695.03 × 73,176.07
  4. Step 4: Simplify right side
    153,231.69x = 16,808,179,593.93
  5. Step 5: Solve for x
    x = 16,808,179,593.93/153,231.69
  6. Step 6: Final answer
    x = 109,691.28

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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.