Home / 268,312.20-401,885.10-162,947.40

Finding the Fourth Proportional to 268,312.20, 401,885.10 and 162,947.40

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Solution

The fourth proportional to 268,312.20, 401,885.10 and 162,947.40 is: 244,066.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,312.20 : 401,885.10 = 162,947.40 : x
  2. Step 2: Convert to fraction form
    268,312.20/401,885.10 = 162,947.40/x
  3. Step 3: Cross multiply
    268,312.20x = 401,885.10 × 162,947.40
  4. Step 4: Simplify right side
    268,312.20x = 65,486,132,143.74
  5. Step 5: Solve for x
    x = 65,486,132,143.74/268,312.20
  6. Step 6: Final answer
    x = 244,066.92

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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.