Home / 191,579.12-264,379.10-111,053.38

Finding the Fourth Proportional to 191,579.12, 264,379.10 and 111,053.38

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Solution

The fourth proportional to 191,579.12, 264,379.10 and 111,053.38 is: 153,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,579.12 : 264,379.10 = 111,053.38 : x
  2. Step 2: Convert to fraction form
    191,579.12/264,379.10 = 111,053.38/x
  3. Step 3: Cross multiply
    191,579.12x = 264,379.10 × 111,053.38
  4. Step 4: Simplify right side
    191,579.12x = 29,360,192,656.36
  5. Step 5: Solve for x
    x = 29,360,192,656.36/191,579.12
  6. Step 6: Final answer
    x = 153,253.61

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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.