Home / 268,275.20-401,829.60-162,910.40

Finding the Fourth Proportional to 268,275.20, 401,829.60 and 162,910.40

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Solution

The fourth proportional to 268,275.20, 401,829.60 and 162,910.40 is: 244,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,275.20 : 401,829.60 = 162,910.40 : x
  2. Step 2: Convert to fraction form
    268,275.20/401,829.60 = 162,910.40/x
  3. Step 3: Cross multiply
    268,275.20x = 401,829.60 × 162,910.40
  4. Step 4: Simplify right side
    268,275.20x = 65,462,220,867.84
  5. Step 5: Solve for x
    x = 65,462,220,867.84/268,275.20
  6. Step 6: Final answer
    x = 244,011.45

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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.