Home / 191,505.22-264,317.27-115,027.66

Finding the Fourth Proportional to 191,505.22, 264,317.27 and 115,027.66

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Solution

The fourth proportional to 191,505.22, 264,317.27 and 115,027.66 is: 158,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505.22 : 264,317.27 = 115,027.66 : x
  2. Step 2: Convert to fraction form
    191,505.22/264,317.27 = 115,027.66/x
  3. Step 3: Cross multiply
    191,505.22x = 264,317.27 × 115,027.66
  4. Step 4: Simplify right side
    191,505.22x = 30,403,797,065.69
  5. Step 5: Solve for x
    x = 30,403,797,065.69/191,505.22
  6. Step 6: Final answer
    x = 158,762.24

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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.