Home / 191,715.44-264,568.36-111,190.70

Finding the Fourth Proportional to 191,715.44, 264,568.36 and 111,190.70

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Solution

The fourth proportional to 191,715.44, 264,568.36 and 111,190.70 is: 153,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,715.44 : 264,568.36 = 111,190.70 : x
  2. Step 2: Convert to fraction form
    191,715.44/264,568.36 = 111,190.70/x
  3. Step 3: Cross multiply
    191,715.44x = 264,568.36 × 111,190.70
  4. Step 4: Simplify right side
    191,715.44x = 29,417,541,146.25
  5. Step 5: Solve for x
    x = 29,417,541,146.25/191,715.44
  6. Step 6: Final answer
    x = 153,443.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.