Home / 188,289.60-259,777.04-111,832.08

Finding the Fourth Proportional to 188,289.60, 259,777.04 and 111,832.08

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Solution

The fourth proportional to 188,289.60, 259,777.04 and 111,832.08 is: 154,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,289.60 : 259,777.04 = 111,832.08 : x
  2. Step 2: Convert to fraction form
    188,289.60/259,777.04 = 111,832.08/x
  3. Step 3: Cross multiply
    188,289.60x = 259,777.04 × 111,832.08
  4. Step 4: Simplify right side
    188,289.60x = 29,051,406,719.44
  5. Step 5: Solve for x
    x = 29,051,406,719.44/188,289.60
  6. Step 6: Final answer
    x = 154,291.09

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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.