Home / 191,145.38-263,813.20-110,621.92

Finding the Fourth Proportional to 191,145.38, 263,813.20 and 110,621.92

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Solution

The fourth proportional to 191,145.38, 263,813.20 and 110,621.92 is: 152,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,145.38 : 263,813.20 = 110,621.92 : x
  2. Step 2: Convert to fraction form
    191,145.38/263,813.20 = 110,621.92/x
  3. Step 3: Cross multiply
    191,145.38x = 263,813.20 × 110,621.92
  4. Step 4: Simplify right side
    191,145.38x = 29,183,522,705.34
  5. Step 5: Solve for x
    x = 29,183,522,705.34/191,145.38
  6. Step 6: Final answer
    x = 152,677.10

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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.