Home / 194,192.66-291,288.39-87,451.64

Finding the Fourth Proportional to 194,192.66, 291,288.39 and 87,451.64

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Solution

The fourth proportional to 194,192.66, 291,288.39 and 87,451.64 is: 131,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,192.66 : 291,288.39 = 87,451.64 : x
  2. Step 2: Convert to fraction form
    194,192.66/291,288.39 = 87,451.64/x
  3. Step 3: Cross multiply
    194,192.66x = 291,288.39 × 87,451.64
  4. Step 4: Simplify right side
    194,192.66x = 25,473,645,962.02
  5. Step 5: Solve for x
    x = 25,473,645,962.02/194,192.66
  6. Step 6: Final answer
    x = 131,177.19

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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.