Home / 134,189.22-185,190.80-80,473.26

Finding the Fourth Proportional to 134,189.22, 185,190.80 and 80,473.26

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Solution

The fourth proportional to 134,189.22, 185,190.80 and 80,473.26 is: 111,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,189.22 : 185,190.80 = 80,473.26 : x
  2. Step 2: Convert to fraction form
    134,189.22/185,190.80 = 80,473.26/x
  3. Step 3: Cross multiply
    134,189.22x = 185,190.80 × 80,473.26
  4. Step 4: Simplify right side
    134,189.22x = 14,902,907,398.01
  5. Step 5: Solve for x
    x = 14,902,907,398.01/134,189.22
  6. Step 6: Final answer
    x = 111,058.90

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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.