Home / 151,456.33-209,001.21-83,473.09

Finding the Fourth Proportional to 151,456.33, 209,001.21 and 83,473.09

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Solution

The fourth proportional to 151,456.33, 209,001.21 and 83,473.09 is: 115,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,456.33 : 209,001.21 = 83,473.09 : x
  2. Step 2: Convert to fraction form
    151,456.33/209,001.21 = 83,473.09/x
  3. Step 3: Cross multiply
    151,456.33x = 209,001.21 × 83,473.09
  4. Step 4: Simplify right side
    151,456.33x = 17,445,977,126.26
  5. Step 5: Solve for x
    x = 17,445,977,126.26/151,456.33
  6. Step 6: Final answer
    x = 115,188.17

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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.