Home / 191,981.54-287,983.55-58,863.11

Finding the Fourth Proportional to 191,981.54, 287,983.55 and 58,863.11

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Solution

The fourth proportional to 191,981.54, 287,983.55 and 58,863.11 is: 88,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,981.54 : 287,983.55 = 58,863.11 : x
  2. Step 2: Convert to fraction form
    191,981.54/287,983.55 = 58,863.11/x
  3. Step 3: Cross multiply
    191,981.54x = 287,983.55 × 58,863.11
  4. Step 4: Simplify right side
    191,981.54x = 16,951,606,089.08
  5. Step 5: Solve for x
    x = 16,951,606,089.08/191,981.54
  6. Step 6: Final answer
    x = 88,298.10

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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.