Home / 191,119.59-263,747.96-105,082.30

Finding the Fourth Proportional to 191,119.59, 263,747.96 and 105,082.30

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Solution

The fourth proportional to 191,119.59, 263,747.96 and 105,082.30 is: 145,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,119.59 : 263,747.96 = 105,082.30 : x
  2. Step 2: Convert to fraction form
    191,119.59/263,747.96 = 105,082.30/x
  3. Step 3: Cross multiply
    191,119.59x = 263,747.96 × 105,082.30
  4. Step 4: Simplify right side
    191,119.59x = 27,715,242,257.11
  5. Step 5: Solve for x
    x = 27,715,242,257.11/191,119.59
  6. Step 6: Final answer
    x = 145,015.18

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1.5x scale

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.