Home / 161,212.82-241,450.40-77,032.15

Finding the Fourth Proportional to 161,212.82, 241,450.40 and 77,032.15

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Solution

The fourth proportional to 161,212.82, 241,450.40 and 77,032.15 is: 115,371.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,212.82 : 241,450.40 = 77,032.15 : x
  2. Step 2: Convert to fraction form
    161,212.82/241,450.40 = 77,032.15/x
  3. Step 3: Cross multiply
    161,212.82x = 241,450.40 × 77,032.15
  4. Step 4: Simplify right side
    161,212.82x = 18,599,443,019.31
  5. Step 5: Solve for x
    x = 18,599,443,019.31/161,212.82
  6. Step 6: Final answer
    x = 115,371.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.