Home / 191,214.05-263,875.92-105,181.85

Finding the Fourth Proportional to 191,214.05, 263,875.92 and 105,181.85

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Solution

The fourth proportional to 191,214.05, 263,875.92 and 105,181.85 is: 145,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,214.05 : 263,875.92 = 105,181.85 : x
  2. Step 2: Convert to fraction form
    191,214.05/263,875.92 = 105,181.85/x
  3. Step 3: Cross multiply
    191,214.05x = 263,875.92 × 105,181.85
  4. Step 4: Simplify right side
    191,214.05x = 27,754,957,106.21
  5. Step 5: Solve for x
    x = 27,754,957,106.21/191,214.05
  6. Step 6: Final answer
    x = 145,151.24

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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.