Home / 191,118.38-263,720.46-105,063.20

Finding the Fourth Proportional to 191,118.38, 263,720.46 and 105,063.20

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Solution

The fourth proportional to 191,118.38, 263,720.46 and 105,063.20 is: 144,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,118.38 : 263,720.46 = 105,063.20 : x
  2. Step 2: Convert to fraction form
    191,118.38/263,720.46 = 105,063.20/x
  3. Step 3: Cross multiply
    191,118.38x = 263,720.46 × 105,063.20
  4. Step 4: Simplify right side
    191,118.38x = 27,707,315,433.07
  5. Step 5: Solve for x
    x = 27,707,315,433.07/191,118.38
  6. Step 6: Final answer
    x = 144,974.62

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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.