Home / 231,050.09-346,608.20-71,139.56

Finding the Fourth Proportional to 231,050.09, 346,608.20 and 71,139.56

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Solution

The fourth proportional to 231,050.09, 346,608.20 and 71,139.56 is: 106,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,050.09 : 346,608.20 = 71,139.56 : x
  2. Step 2: Convert to fraction form
    231,050.09/346,608.20 = 71,139.56/x
  3. Step 3: Cross multiply
    231,050.09x = 346,608.20 × 71,139.56
  4. Step 4: Simplify right side
    231,050.09x = 24,657,552,885.04
  5. Step 5: Solve for x
    x = 24,657,552,885.04/231,050.09
  6. Step 6: Final answer
    x = 106,719.51

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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.