Home / 352,427.19-486,336.51-191,278.78

Finding the Fourth Proportional to 352,427.19, 486,336.51 and 191,278.78

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Solution

The fourth proportional to 352,427.19, 486,336.51 and 191,278.78 is: 263,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,427.19 : 486,336.51 = 191,278.78 : x
  2. Step 2: Convert to fraction form
    352,427.19/486,336.51 = 191,278.78/x
  3. Step 3: Cross multiply
    352,427.19x = 486,336.51 × 191,278.78
  4. Step 4: Simplify right side
    352,427.19x = 93,025,852,878.95
  5. Step 5: Solve for x
    x = 93,025,852,878.95/352,427.19
  6. Step 6: Final answer
    x = 263,957.65

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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.