Home / 170,670.38-256,119.84-70,830.66

Finding the Fourth Proportional to 170,670.38, 256,119.84 and 70,830.66

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Solution

The fourth proportional to 170,670.38, 256,119.84 and 70,830.66 is: 106,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,670.38 : 256,119.84 = 70,830.66 : x
  2. Step 2: Convert to fraction form
    170,670.38/256,119.84 = 70,830.66/x
  3. Step 3: Cross multiply
    170,670.38x = 256,119.84 × 70,830.66
  4. Step 4: Simplify right side
    170,670.38x = 18,141,137,306.29
  5. Step 5: Solve for x
    x = 18,141,137,306.29/170,670.38
  6. Step 6: Final answer
    x = 106,293.41

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1.5x scale

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.