Home / 306,035.73-422,329.50-170,082.33

Finding the Fourth Proportional to 306,035.73, 422,329.50 and 170,082.33

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Solution

The fourth proportional to 306,035.73, 422,329.50 and 170,082.33 is: 234,713.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,035.73 : 422,329.50 = 170,082.33 : x
  2. Step 2: Convert to fraction form
    306,035.73/422,329.50 = 170,082.33/x
  3. Step 3: Cross multiply
    306,035.73x = 422,329.50 × 170,082.33
  4. Step 4: Simplify right side
    306,035.73x = 71,830,785,387.74
  5. Step 5: Solve for x
    x = 71,830,785,387.74/306,035.73
  6. Step 6: Final answer
    x = 234,713.72

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1.5x scale

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.