Home / 191,067.10-286,564.20-57,951.70

Finding the Fourth Proportional to 191,067.10, 286,564.20 and 57,951.70

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Solution

The fourth proportional to 191,067.10, 286,564.20 and 57,951.70 is: 86,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,067.10 : 286,564.20 = 57,951.70 : x
  2. Step 2: Convert to fraction form
    191,067.10/286,564.20 = 57,951.70/x
  3. Step 3: Cross multiply
    191,067.10x = 286,564.20 × 57,951.70
  4. Step 4: Simplify right side
    191,067.10x = 16,606,882,549.14
  5. Step 5: Solve for x
    x = 16,606,882,549.14/191,067.10
  6. Step 6: Final answer
    x = 86,916.49

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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.