Home / 237,850.88-328,234.08-130,422.72

Finding the Fourth Proportional to 237,850.88, 328,234.08 and 130,422.72

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Solution

The fourth proportional to 237,850.88, 328,234.08 and 130,422.72 is: 179,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,850.88 : 328,234.08 = 130,422.72 : x
  2. Step 2: Convert to fraction form
    237,850.88/328,234.08 = 130,422.72/x
  3. Step 3: Cross multiply
    237,850.88x = 328,234.08 × 130,422.72
  4. Step 4: Simplify right side
    237,850.88x = 42,809,181,510.30
  5. Step 5: Solve for x
    x = 42,809,181,510.30/237,850.88
  6. Step 6: Final answer
    x = 179,983.28

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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.