Home / 400,174.15-552,210.38-218,876.71

Finding the Fourth Proportional to 400,174.15, 552,210.38 and 218,876.71

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Solution

The fourth proportional to 400,174.15, 552,210.38 and 218,876.71 is: 302,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,174.15 : 552,210.38 = 218,876.71 : x
  2. Step 2: Convert to fraction form
    400,174.15/552,210.38 = 218,876.71/x
  3. Step 3: Cross multiply
    400,174.15x = 552,210.38 × 218,876.71
  4. Step 4: Simplify right side
    400,174.15x = 120,865,988,988.39
  5. Step 5: Solve for x
    x = 120,865,988,988.39/400,174.15
  6. Step 6: Final answer
    x = 302,033.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.