Home / 237,198.18-355,221.33-130,419.12

Finding the Fourth Proportional to 237,198.18, 355,221.33 and 130,419.12

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Solution

The fourth proportional to 237,198.18, 355,221.33 and 130,419.12 is: 195,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,198.18 : 355,221.33 = 130,419.12 : x
  2. Step 2: Convert to fraction form
    237,198.18/355,221.33 = 130,419.12/x
  3. Step 3: Cross multiply
    237,198.18x = 355,221.33 × 130,419.12
  4. Step 4: Simplify right side
    237,198.18x = 46,327,653,263.83
  5. Step 5: Solve for x
    x = 46,327,653,263.83/237,198.18
  6. Step 6: Final answer
    x = 195,312.01

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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.