Home / 291,979.44-402,919.38-164,666.88

Finding the Fourth Proportional to 291,979.44, 402,919.38 and 164,666.88

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Solution

The fourth proportional to 291,979.44, 402,919.38 and 164,666.88 is: 227,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,979.44 : 402,919.38 = 164,666.88 : x
  2. Step 2: Convert to fraction form
    291,979.44/402,919.38 = 164,666.88/x
  3. Step 3: Cross multiply
    291,979.44x = 402,919.38 × 164,666.88
  4. Step 4: Simplify right side
    291,979.44x = 66,347,477,196.13
  5. Step 5: Solve for x
    x = 66,347,477,196.13/291,979.44
  6. Step 6: Final answer
    x = 227,233.39

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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.