Home / 191,918.36-264,761.72-111,299.22

Finding the Fourth Proportional to 191,918.36, 264,761.72 and 111,299.22

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Solution

The fourth proportional to 191,918.36, 264,761.72 and 111,299.22 is: 153,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,918.36 : 264,761.72 = 111,299.22 : x
  2. Step 2: Convert to fraction form
    191,918.36/264,761.72 = 111,299.22/x
  3. Step 3: Cross multiply
    191,918.36x = 264,761.72 × 111,299.22
  4. Step 4: Simplify right side
    191,918.36x = 29,467,772,921.86
  5. Step 5: Solve for x
    x = 29,467,772,921.86/191,918.36
  6. Step 6: Final answer
    x = 153,543.27

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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.