Home / 191,500.73-287,288.91-56,567.09

Finding the Fourth Proportional to 191,500.73, 287,288.91 and 56,567.09

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Solution

The fourth proportional to 191,500.73, 287,288.91 and 56,567.09 is: 84,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,500.73 : 287,288.91 = 56,567.09 : x
  2. Step 2: Convert to fraction form
    191,500.73/287,288.91 = 56,567.09/x
  3. Step 3: Cross multiply
    191,500.73x = 287,288.91 × 56,567.09
  4. Step 4: Simplify right side
    191,500.73x = 16,251,097,627.97
  5. Step 5: Solve for x
    x = 16,251,097,627.97/191,500.73
  6. Step 6: Final answer
    x = 84,861.81

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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.