Home / 288,695.24-398,383.21-159,626.19

Finding the Fourth Proportional to 288,695.24, 398,383.21 and 159,626.19

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Solution

The fourth proportional to 288,695.24, 398,383.21 and 159,626.19 is: 220,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,695.24 : 398,383.21 = 159,626.19 : x
  2. Step 2: Convert to fraction form
    288,695.24/398,383.21 = 159,626.19/x
  3. Step 3: Cross multiply
    288,695.24x = 398,383.21 × 159,626.19
  4. Step 4: Simplify right side
    288,695.24x = 63,592,395,665.74
  5. Step 5: Solve for x
    x = 63,592,395,665.74/288,695.24
  6. Step 6: Final answer
    x = 220,275.18

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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.