Home / 191,926.36-287,299.05-125,222.86

Finding the Fourth Proportional to 191,926.36, 287,299.05 and 125,222.86

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Solution

The fourth proportional to 191,926.36, 287,299.05 and 125,222.86 is: 187,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,926.36 : 287,299.05 = 125,222.86 : x
  2. Step 2: Convert to fraction form
    191,926.36/287,299.05 = 125,222.86/x
  3. Step 3: Cross multiply
    191,926.36x = 287,299.05 × 125,222.86
  4. Step 4: Simplify right side
    191,926.36x = 35,976,409,310.20
  5. Step 5: Solve for x
    x = 35,976,409,310.20/191,926.36
  6. Step 6: Final answer
    x = 187,449.03

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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.