Home / 237,822.80-328,195.35-130,390.54

Finding the Fourth Proportional to 237,822.80, 328,195.35 and 130,390.54

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Solution

The fourth proportional to 237,822.80, 328,195.35 and 130,390.54 is: 179,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,822.80 : 328,195.35 = 130,390.54 : x
  2. Step 2: Convert to fraction form
    237,822.80/328,195.35 = 130,390.54/x
  3. Step 3: Cross multiply
    237,822.80x = 328,195.35 × 130,390.54
  4. Step 4: Simplify right side
    237,822.80x = 42,793,568,091.50
  5. Step 5: Solve for x
    x = 42,793,568,091.50/237,822.80
  6. Step 6: Final answer
    x = 179,938.88

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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.