Home / 226,768.20-340,152.30-155,909.40

Finding the Fourth Proportional to 226,768.20, 340,152.30 and 155,909.40

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Solution

The fourth proportional to 226,768.20, 340,152.30 and 155,909.40 is: 233,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,768.20 : 340,152.30 = 155,909.40 : x
  2. Step 2: Convert to fraction form
    226,768.20/340,152.30 = 155,909.40/x
  3. Step 3: Cross multiply
    226,768.20x = 340,152.30 × 155,909.40
  4. Step 4: Simplify right side
    226,768.20x = 53,032,941,001.62
  5. Step 5: Solve for x
    x = 53,032,941,001.62/226,768.20
  6. Step 6: Final answer
    x = 233,864.10

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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.