Home / 115,217.03-159,000.17-64,233

Finding the Fourth Proportional to 115,217.03, 159,000.17 and 64,233

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Solution

The fourth proportional to 115,217.03, 159,000.17 and 64,233 is: 88,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,217.03 : 159,000.17 = 64,233 : x
  2. Step 2: Convert to fraction form
    115,217.03/159,000.17 = 64,233/x
  3. Step 3: Cross multiply
    115,217.03x = 159,000.17 × 64,233
  4. Step 4: Simplify right side
    115,217.03x = 10,213,057,598.45
  5. Step 5: Solve for x
    x = 10,213,057,598.45/115,217.03
  6. Step 6: Final answer
    x = 88,641.91

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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.