Home / 134,189.47-185,191.14-80,473.51

Finding the Fourth Proportional to 134,189.47, 185,191.14 and 80,473.51

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Solution

The fourth proportional to 134,189.47, 185,191.14 and 80,473.51 is: 111,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,189.47 : 185,191.14 = 80,473.51 : x
  2. Step 2: Convert to fraction form
    134,189.47/185,191.14 = 80,473.51/x
  3. Step 3: Cross multiply
    134,189.47x = 185,191.14 × 80,473.51
  4. Step 4: Simplify right side
    134,189.47x = 14,902,981,056.70
  5. Step 5: Solve for x
    x = 14,902,981,056.70/134,189.47
  6. Step 6: Final answer
    x = 111,059.24

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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.