Home / 211,579.43-291,979.96-116,086.80

Finding the Fourth Proportional to 211,579.43, 291,979.96 and 116,086.80

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Solution

The fourth proportional to 211,579.43, 291,979.96 and 116,086.80 is: 160,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,579.43 : 291,979.96 = 116,086.80 : x
  2. Step 2: Convert to fraction form
    211,579.43/291,979.96 = 116,086.80/x
  3. Step 3: Cross multiply
    211,579.43x = 291,979.96 × 116,086.80
  4. Step 4: Simplify right side
    211,579.43x = 33,895,020,025.24
  5. Step 5: Solve for x
    x = 33,895,020,025.24/211,579.43
  6. Step 6: Final answer
    x = 160,199.98

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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.