Home / 250,016.21-345,023.27-135,294.84

Finding the Fourth Proportional to 250,016.21, 345,023.27 and 135,294.84

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Solution

The fourth proportional to 250,016.21, 345,023.27 and 135,294.84 is: 186,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,016.21 : 345,023.27 = 135,294.84 : x
  2. Step 2: Convert to fraction form
    250,016.21/345,023.27 = 135,294.84/x
  3. Step 3: Cross multiply
    250,016.21x = 345,023.27 × 135,294.84
  4. Step 4: Simplify right side
    250,016.21x = 46,679,868,110.93
  5. Step 5: Solve for x
    x = 46,679,868,110.93/250,016.21
  6. Step 6: Final answer
    x = 186,707.37

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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.