Home / 160,490.25-221,476.40-88,870.27

Finding the Fourth Proportional to 160,490.25, 221,476.40 and 88,870.27

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Solution

The fourth proportional to 160,490.25, 221,476.40 and 88,870.27 is: 122,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,490.25 : 221,476.40 = 88,870.27 : x
  2. Step 2: Convert to fraction form
    160,490.25/221,476.40 = 88,870.27/x
  3. Step 3: Cross multiply
    160,490.25x = 221,476.40 × 88,870.27
  4. Step 4: Simplify right side
    160,490.25x = 19,682,667,466.63
  5. Step 5: Solve for x
    x = 19,682,667,466.63/160,490.25
  6. Step 6: Final answer
    x = 122,640.89

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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.