Home / 191,082.16-263,691.48-106,197.40

Finding the Fourth Proportional to 191,082.16, 263,691.48 and 106,197.40

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Solution

The fourth proportional to 191,082.16, 263,691.48 and 106,197.40 is: 146,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,082.16 : 263,691.48 = 106,197.40 : x
  2. Step 2: Convert to fraction form
    191,082.16/263,691.48 = 106,197.40/x
  3. Step 3: Cross multiply
    191,082.16x = 263,691.48 × 106,197.40
  4. Step 4: Simplify right side
    191,082.16x = 28,003,349,578.15
  5. Step 5: Solve for x
    x = 28,003,349,578.15/191,082.16
  6. Step 6: Final answer
    x = 146,551.36

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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.