Home / 191,120.26-263,751.02-105,082.84

Finding the Fourth Proportional to 191,120.26, 263,751.02 and 105,082.84

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Solution

The fourth proportional to 191,120.26, 263,751.02 and 105,082.84 is: 145,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,120.26 : 263,751.02 = 105,082.84 : x
  2. Step 2: Convert to fraction form
    191,120.26/263,751.02 = 105,082.84/x
  3. Step 3: Cross multiply
    191,120.26x = 263,751.02 × 105,082.84
  4. Step 4: Simplify right side
    191,120.26x = 27,715,706,234.50
  5. Step 5: Solve for x
    x = 27,715,706,234.50/191,120.26
  6. Step 6: Final answer
    x = 145,017.10

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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.