Home / 352,435.04-486,360.92-191,290.09

Finding the Fourth Proportional to 352,435.04, 486,360.92 and 191,290.09

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Solution

The fourth proportional to 352,435.04, 486,360.92 and 191,290.09 is: 263,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,435.04 : 486,360.92 = 191,290.09 : x
  2. Step 2: Convert to fraction form
    352,435.04/486,360.92 = 191,290.09/x
  3. Step 3: Cross multiply
    352,435.04x = 486,360.92 × 191,290.09
  4. Step 4: Simplify right side
    352,435.04x = 93,036,024,159.28
  5. Step 5: Solve for x
    x = 93,036,024,159.28/352,435.04
  6. Step 6: Final answer
    x = 263,980.63

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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.