Home / 191,379.89-287,086.04-58,261.25

Finding the Fourth Proportional to 191,379.89, 287,086.04 and 58,261.25

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Solution

The fourth proportional to 191,379.89, 287,086.04 and 58,261.25 is: 87,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,379.89 : 287,086.04 = 58,261.25 : x
  2. Step 2: Convert to fraction form
    191,379.89/287,086.04 = 58,261.25/x
  3. Step 3: Cross multiply
    191,379.89x = 287,086.04 × 58,261.25
  4. Step 4: Simplify right side
    191,379.89x = 16,725,991,256.64
  5. Step 5: Solve for x
    x = 16,725,991,256.64/191,379.89
  6. Step 6: Final answer
    x = 87,396.81

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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.