Home / 352,428.60-486,338.45-191,280.19

Finding the Fourth Proportional to 352,428.60, 486,338.45 and 191,280.19

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Solution

The fourth proportional to 352,428.60, 486,338.45 and 191,280.19 is: 263,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,428.60 : 486,338.45 = 191,280.19 : x
  2. Step 2: Convert to fraction form
    352,428.60/486,338.45 = 191,280.19/x
  3. Step 3: Cross multiply
    352,428.60x = 486,338.45 × 191,280.19
  4. Step 4: Simplify right side
    352,428.60x = 93,026,910,382.66
  5. Step 5: Solve for x
    x = 93,026,910,382.66/352,428.60
  6. Step 6: Final answer
    x = 263,959.59

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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.