Home / 352,435.23-486,359.38-191,290.28

Finding the Fourth Proportional to 352,435.23, 486,359.38 and 191,290.28

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Solution

The fourth proportional to 352,435.23, 486,359.38 and 191,290.28 is: 263,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,435.23 : 486,359.38 = 191,290.28 : x
  2. Step 2: Convert to fraction form
    352,435.23/486,359.38 = 191,290.28/x
  3. Step 3: Cross multiply
    352,435.23x = 486,359.38 × 191,290.28
  4. Step 4: Simplify right side
    352,435.23x = 93,035,821,058.74
  5. Step 5: Solve for x
    x = 93,035,821,058.74/352,435.23
  6. Step 6: Final answer
    x = 263,979.91

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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.