Home / 268,274.20-401,828.10-162,909.40

Finding the Fourth Proportional to 268,274.20, 401,828.10 and 162,909.40

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Solution

The fourth proportional to 268,274.20, 401,828.10 and 162,909.40 is: 244,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,274.20 : 401,828.10 = 162,909.40 : x
  2. Step 2: Convert to fraction form
    268,274.20/401,828.10 = 162,909.40/x
  3. Step 3: Cross multiply
    268,274.20x = 401,828.10 × 162,909.40
  4. Step 4: Simplify right side
    268,274.20x = 65,461,574,674.14
  5. Step 5: Solve for x
    x = 65,461,574,674.14/268,274.20
  6. Step 6: Final answer
    x = 244,009.95

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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.