Home / 263,461.11-395,265.66-105,800.28

Finding the Fourth Proportional to 263,461.11, 395,265.66 and 105,800.28

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Solution

The fourth proportional to 263,461.11, 395,265.66 and 105,800.28 is: 158,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,461.11 : 395,265.66 = 105,800.28 : x
  2. Step 2: Convert to fraction form
    263,461.11/395,265.66 = 105,800.28/x
  3. Step 3: Cross multiply
    263,461.11x = 395,265.66 × 105,800.28
  4. Step 4: Simplify right side
    263,461.11x = 41,819,217,502.38
  5. Step 5: Solve for x
    x = 41,819,217,502.38/263,461.11
  6. Step 6: Final answer
    x = 158,730.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.