Home / 240,099.12-330,953.94-189,030.96

Finding the Fourth Proportional to 240,099.12, 330,953.94 and 189,030.96

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Solution

The fourth proportional to 240,099.12, 330,953.94 and 189,030.96 is: 260,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,099.12 : 330,953.94 = 189,030.96 : x
  2. Step 2: Convert to fraction form
    240,099.12/330,953.94 = 189,030.96/x
  3. Step 3: Cross multiply
    240,099.12x = 330,953.94 × 189,030.96
  4. Step 4: Simplify right side
    240,099.12x = 62,560,540,993.98
  5. Step 5: Solve for x
    x = 62,560,540,993.98/240,099.12
  6. Step 6: Final answer
    x = 260,561.31

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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.