Home / 151,829.62-209,523.63-83,851.18

Finding the Fourth Proportional to 151,829.62, 209,523.63 and 83,851.18

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Solution

The fourth proportional to 151,829.62, 209,523.63 and 83,851.18 is: 115,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,829.62 : 209,523.63 = 83,851.18 : x
  2. Step 2: Convert to fraction form
    151,829.62/209,523.63 = 83,851.18/x
  3. Step 3: Cross multiply
    151,829.62x = 209,523.63 × 83,851.18
  4. Step 4: Simplify right side
    151,829.62x = 17,568,803,089.57
  5. Step 5: Solve for x
    x = 17,568,803,089.57/151,829.62
  6. Step 6: Final answer
    x = 115,713.94

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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.