Home / 120,569.25-180,965.52-61,448.97

Finding the Fourth Proportional to 120,569.25, 180,965.52 and 61,448.97

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Solution

The fourth proportional to 120,569.25, 180,965.52 and 61,448.97 is: 92,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,569.25 : 180,965.52 = 61,448.97 : x
  2. Step 2: Convert to fraction form
    120,569.25/180,965.52 = 61,448.97/x
  3. Step 3: Cross multiply
    120,569.25x = 180,965.52 × 61,448.97
  4. Step 4: Simplify right side
    120,569.25x = 11,120,144,809.51
  5. Step 5: Solve for x
    x = 11,120,144,809.51/120,569.25
  6. Step 6: Final answer
    x = 92,230.36

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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.