Home / 231,205.12-346,807.68-64,993.12

Finding the Fourth Proportional to 231,205.12, 346,807.68 and 64,993.12

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Solution

The fourth proportional to 231,205.12, 346,807.68 and 64,993.12 is: 97,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,205.12 : 346,807.68 = 64,993.12 : x
  2. Step 2: Convert to fraction form
    231,205.12/346,807.68 = 64,993.12/x
  3. Step 3: Cross multiply
    231,205.12x = 346,807.68 × 64,993.12
  4. Step 4: Simplify right side
    231,205.12x = 22,540,113,163.16
  5. Step 5: Solve for x
    x = 22,540,113,163.16/231,205.12
  6. Step 6: Final answer
    x = 97,489.68

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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.