Home / 175,450.08-242,115.12-100,022.88

Finding the Fourth Proportional to 175,450.08, 242,115.12 and 100,022.88

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Solution

The fourth proportional to 175,450.08, 242,115.12 and 100,022.88 is: 138,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,450.08 : 242,115.12 = 100,022.88 : x
  2. Step 2: Convert to fraction form
    175,450.08/242,115.12 = 100,022.88/x
  3. Step 3: Cross multiply
    175,450.08x = 242,115.12 × 100,022.88
  4. Step 4: Simplify right side
    175,450.08x = 24,217,051,593.95
  5. Step 5: Solve for x
    x = 24,217,051,593.95/175,450.08
  6. Step 6: Final answer
    x = 138,028.16

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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.