Home / 375,150.13-517,658.98-213,995.57

Finding the Fourth Proportional to 375,150.13, 517,658.98 and 213,995.57

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Solution

The fourth proportional to 375,150.13, 517,658.98 and 213,995.57 is: 295,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,150.13 : 517,658.98 = 213,995.57 : x
  2. Step 2: Convert to fraction form
    375,150.13/517,658.98 = 213,995.57/x
  3. Step 3: Cross multiply
    375,150.13x = 517,658.98 × 213,995.57
  4. Step 4: Simplify right side
    375,150.13x = 110,776,728,078.65
  5. Step 5: Solve for x
    x = 110,776,728,078.65/375,150.13
  6. Step 6: Final answer
    x = 295,286.39

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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.