Home / 170,948.57-256,433.80-65,767.54

Finding the Fourth Proportional to 170,948.57, 256,433.80 and 65,767.54

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Solution

The fourth proportional to 170,948.57, 256,433.80 and 65,767.54 is: 98,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,948.57 : 256,433.80 = 65,767.54 : x
  2. Step 2: Convert to fraction form
    170,948.57/256,433.80 = 65,767.54/x
  3. Step 3: Cross multiply
    170,948.57x = 256,433.80 × 65,767.54
  4. Step 4: Simplify right side
    170,948.57x = 16,865,019,393.35
  5. Step 5: Solve for x
    x = 16,865,019,393.35/170,948.57
  6. Step 6: Final answer
    x = 98,655.52

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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.