Home / 170,926.41-256,386.78-65,768.16

Finding the Fourth Proportional to 170,926.41, 256,386.78 and 65,768.16

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Solution

The fourth proportional to 170,926.41, 256,386.78 and 65,768.16 is: 98,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,926.41 : 256,386.78 = 65,768.16 : x
  2. Step 2: Convert to fraction form
    170,926.41/256,386.78 = 65,768.16/x
  3. Step 3: Cross multiply
    170,926.41x = 256,386.78 × 65,768.16
  4. Step 4: Simplify right side
    170,926.41x = 16,862,086,768.92
  5. Step 5: Solve for x
    x = 16,862,086,768.92/170,926.41
  6. Step 6: Final answer
    x = 98,651.15

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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.