Home / 191,490.12-264,236.31-110,943.72

Finding the Fourth Proportional to 191,490.12, 264,236.31 and 110,943.72

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Solution

The fourth proportional to 191,490.12, 264,236.31 and 110,943.72 is: 153,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,490.12 : 264,236.31 = 110,943.72 : x
  2. Step 2: Convert to fraction form
    191,490.12/264,236.31 = 110,943.72/x
  3. Step 3: Cross multiply
    191,490.12x = 264,236.31 × 110,943.72
  4. Step 4: Simplify right side
    191,490.12x = 29,315,359,190.47
  5. Step 5: Solve for x
    x = 29,315,359,190.47/191,490.12
  6. Step 6: Final answer
    x = 153,090.71

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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.