Home / 266,979.10-400,468.65-162,003.10

Finding the Fourth Proportional to 266,979.10, 400,468.65 and 162,003.10

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Solution

The fourth proportional to 266,979.10, 400,468.65 and 162,003.10 is: 243,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,979.10 : 400,468.65 = 162,003.10 : x
  2. Step 2: Convert to fraction form
    266,979.10/400,468.65 = 162,003.10/x
  3. Step 3: Cross multiply
    266,979.10x = 400,468.65 × 162,003.10
  4. Step 4: Simplify right side
    266,979.10x = 64,877,162,752.82
  5. Step 5: Solve for x
    x = 64,877,162,752.82/266,979.10
  6. Step 6: Final answer
    x = 243,004.65

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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.