Home / 162,091.36-223,788.80-111,189.36

Finding the Fourth Proportional to 162,091.36, 223,788.80 and 111,189.36

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Solution

The fourth proportional to 162,091.36, 223,788.80 and 111,189.36 is: 153,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,091.36 : 223,788.80 = 111,189.36 : x
  2. Step 2: Convert to fraction form
    162,091.36/223,788.80 = 111,189.36/x
  3. Step 3: Cross multiply
    162,091.36x = 223,788.80 × 111,189.36
  4. Step 4: Simplify right side
    162,091.36x = 24,882,933,447.17
  5. Step 5: Solve for x
    x = 24,882,933,447.17/162,091.36
  6. Step 6: Final answer
    x = 153,511.78

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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.