Home / 222,904.50-334,410.77-128,195.30

Finding the Fourth Proportional to 222,904.50, 334,410.77 and 128,195.30

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Solution

The fourth proportional to 222,904.50, 334,410.77 and 128,195.30 is: 192,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,904.50 : 334,410.77 = 128,195.30 : x
  2. Step 2: Convert to fraction form
    222,904.50/334,410.77 = 128,195.30/x
  3. Step 3: Cross multiply
    222,904.50x = 334,410.77 × 128,195.30
  4. Step 4: Simplify right side
    222,904.50x = 42,869,888,983.38
  5. Step 5: Solve for x
    x = 42,869,888,983.38/222,904.50
  6. Step 6: Final answer
    x = 192,324.02

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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.