Home / 288,626.13-398,046.15-181,206.18

Finding the Fourth Proportional to 288,626.13, 398,046.15 and 181,206.18

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Solution

The fourth proportional to 288,626.13, 398,046.15 and 181,206.18 is: 249,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,626.13 : 398,046.15 = 181,206.18 : x
  2. Step 2: Convert to fraction form
    288,626.13/398,046.15 = 181,206.18/x
  3. Step 3: Cross multiply
    288,626.13x = 398,046.15 × 181,206.18
  4. Step 4: Simplify right side
    288,626.13x = 72,128,422,305.21
  5. Step 5: Solve for x
    x = 72,128,422,305.21/288,626.13
  6. Step 6: Final answer
    x = 249,902.61

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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.