Home / 237,850.89-328,234.32-130,418.70

Finding the Fourth Proportional to 237,850.89, 328,234.32 and 130,418.70

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Solution

The fourth proportional to 237,850.89, 328,234.32 and 130,418.70 is: 179,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,850.89 : 328,234.32 = 130,418.70 : x
  2. Step 2: Convert to fraction form
    237,850.89/328,234.32 = 130,418.70/x
  3. Step 3: Cross multiply
    237,850.89x = 328,234.32 × 130,418.70
  4. Step 4: Simplify right side
    237,850.89x = 42,807,893,309.78
  5. Step 5: Solve for x
    x = 42,807,893,309.78/237,850.89
  6. Step 6: Final answer
    x = 179,977.86

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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.