Home / 151,833.18-209,530.89-83,848.26

Finding the Fourth Proportional to 151,833.18, 209,530.89 and 83,848.26

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Solution

The fourth proportional to 151,833.18, 209,530.89 and 83,848.26 is: 115,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,833.18 : 209,530.89 = 83,848.26 : x
  2. Step 2: Convert to fraction form
    151,833.18/209,530.89 = 83,848.26/x
  3. Step 3: Cross multiply
    151,833.18x = 209,530.89 × 83,848.26
  4. Step 4: Simplify right side
    151,833.18x = 17,568,800,542.75
  5. Step 5: Solve for x
    x = 17,568,800,542.75/151,833.18
  6. Step 6: Final answer
    x = 115,711.21

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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.