Home / 151,461.44-209,016.96-87,836.22

Finding the Fourth Proportional to 151,461.44, 209,016.96 and 87,836.22

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Solution

The fourth proportional to 151,461.44, 209,016.96 and 87,836.22 is: 121,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,461.44 : 209,016.96 = 87,836.22 : x
  2. Step 2: Convert to fraction form
    151,461.44/209,016.96 = 87,836.22/x
  3. Step 3: Cross multiply
    151,461.44x = 209,016.96 × 87,836.22
  4. Step 4: Simplify right side
    151,461.44x = 18,359,259,682.29
  5. Step 5: Solve for x
    x = 18,359,259,682.29/151,461.44
  6. Step 6: Final answer
    x = 121,214.08

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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.