Home / 307,789.58-424,756.82-193,073.11

Finding the Fourth Proportional to 307,789.58, 424,756.82 and 193,073.11

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Solution

The fourth proportional to 307,789.58, 424,756.82 and 193,073.11 is: 266,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,789.58 : 424,756.82 = 193,073.11 : x
  2. Step 2: Convert to fraction form
    307,789.58/424,756.82 = 193,073.11/x
  3. Step 3: Cross multiply
    307,789.58x = 424,756.82 × 193,073.11
  4. Step 4: Simplify right side
    307,789.58x = 82,009,120,231.11
  5. Step 5: Solve for x
    x = 82,009,120,231.11/307,789.58
  6. Step 6: Final answer
    x = 266,445.41

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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.