Home / 202,451.06-279,416.64-117,617.34

Finding the Fourth Proportional to 202,451.06, 279,416.64 and 117,617.34

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Solution

The fourth proportional to 202,451.06, 279,416.64 and 117,617.34 is: 162,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,451.06 : 279,416.64 = 117,617.34 : x
  2. Step 2: Convert to fraction form
    202,451.06/279,416.64 = 117,617.34/x
  3. Step 3: Cross multiply
    202,451.06x = 279,416.64 × 117,617.34
  4. Step 4: Simplify right side
    202,451.06x = 32,864,241,948.54
  5. Step 5: Solve for x
    x = 32,864,241,948.54/202,451.06
  6. Step 6: Final answer
    x = 162,331.79

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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.