Home / 352,412.10-486,210.33-225,162.18

Finding the Fourth Proportional to 352,412.10, 486,210.33 and 225,162.18

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Solution

The fourth proportional to 352,412.10, 486,210.33 and 225,162.18 is: 310,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,412.10 : 486,210.33 = 225,162.18 : x
  2. Step 2: Convert to fraction form
    352,412.10/486,210.33 = 225,162.18/x
  3. Step 3: Cross multiply
    352,412.10x = 486,210.33 × 225,162.18
  4. Step 4: Simplify right side
    352,412.10x = 109,476,177,841.32
  5. Step 5: Solve for x
    x = 109,476,177,841.32/352,412.10
  6. Step 6: Final answer
    x = 310,648.18

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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.