Home / 230,986.11-346,479.22-86,919.06

Finding the Fourth Proportional to 230,986.11, 346,479.22 and 86,919.06

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Solution

The fourth proportional to 230,986.11, 346,479.22 and 86,919.06 is: 130,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,986.11 : 346,479.22 = 86,919.06 : x
  2. Step 2: Convert to fraction form
    230,986.11/346,479.22 = 86,919.06/x
  3. Step 3: Cross multiply
    230,986.11x = 346,479.22 × 86,919.06
  4. Step 4: Simplify right side
    230,986.11x = 30,115,648,111.93
  5. Step 5: Solve for x
    x = 30,115,648,111.93/230,986.11
  6. Step 6: Final answer
    x = 130,378.61

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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.