Home / 128,842.01-193,281.44-40,104.48

Finding the Fourth Proportional to 128,842.01, 193,281.44 and 40,104.48

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Solution

The fourth proportional to 128,842.01, 193,281.44 and 40,104.48 is: 60,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,842.01 : 193,281.44 = 40,104.48 : x
  2. Step 2: Convert to fraction form
    128,842.01/193,281.44 = 40,104.48/x
  3. Step 3: Cross multiply
    128,842.01x = 193,281.44 × 40,104.48
  4. Step 4: Simplify right side
    128,842.01x = 7,751,451,444.33
  5. Step 5: Solve for x
    x = 7,751,451,444.33/128,842.01
  6. Step 6: Final answer
    x = 60,162.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.