Home / 375,056.28-517,573.45-205,288.38

Finding the Fourth Proportional to 375,056.28, 517,573.45 and 205,288.38

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Solution

The fourth proportional to 375,056.28, 517,573.45 and 205,288.38 is: 283,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,056.28 : 517,573.45 = 205,288.38 : x
  2. Step 2: Convert to fraction form
    375,056.28/517,573.45 = 205,288.38/x
  3. Step 3: Cross multiply
    375,056.28x = 517,573.45 × 205,288.38
  4. Step 4: Simplify right side
    375,056.28x = 106,251,815,081.51
  5. Step 5: Solve for x
    x = 106,251,815,081.51/375,056.28
  6. Step 6: Final answer
    x = 283,295.66

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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.