Home / 191,416.77-287,125.16-51,171.75

Finding the Fourth Proportional to 191,416.77, 287,125.16 and 51,171.75

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Solution

The fourth proportional to 191,416.77, 287,125.16 and 51,171.75 is: 76,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,416.77 : 287,125.16 = 51,171.75 : x
  2. Step 2: Convert to fraction form
    191,416.77/287,125.16 = 51,171.75/x
  3. Step 3: Cross multiply
    191,416.77x = 287,125.16 × 51,171.75
  4. Step 4: Simplify right side
    191,416.77x = 14,692,696,650.37
  5. Step 5: Solve for x
    x = 14,692,696,650.37/191,416.77
  6. Step 6: Final answer
    x = 76,757.63

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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.