Home / 268,246.20-401,786.10-162,881.40

Finding the Fourth Proportional to 268,246.20, 401,786.10 and 162,881.40

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Solution

The fourth proportional to 268,246.20, 401,786.10 and 162,881.40 is: 243,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,246.20 : 401,786.10 = 162,881.40 : x
  2. Step 2: Convert to fraction form
    268,246.20/401,786.10 = 162,881.40/x
  3. Step 3: Cross multiply
    268,246.20x = 401,786.10 × 162,881.40
  4. Step 4: Simplify right side
    268,246.20x = 65,443,482,468.54
  5. Step 5: Solve for x
    x = 65,443,482,468.54/268,246.20
  6. Step 6: Final answer
    x = 243,967.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.