Home / 172,371.15-258,767.33-97,543.35

Finding the Fourth Proportional to 172,371.15, 258,767.33 and 97,543.35

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Solution

The fourth proportional to 172,371.15, 258,767.33 and 97,543.35 is: 146,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,371.15 : 258,767.33 = 97,543.35 : x
  2. Step 2: Convert to fraction form
    172,371.15/258,767.33 = 97,543.35/x
  3. Step 3: Cross multiply
    172,371.15x = 258,767.33 × 97,543.35
  4. Step 4: Simplify right side
    172,371.15x = 25,241,031,751.04
  5. Step 5: Solve for x
    x = 25,241,031,751.04/172,371.15
  6. Step 6: Final answer
    x = 146,434.20

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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.