Home / 160,665.60-221,712.84-89,052.28

Finding the Fourth Proportional to 160,665.60, 221,712.84 and 89,052.28

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Solution

The fourth proportional to 160,665.60, 221,712.84 and 89,052.28 is: 122,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,665.60 : 221,712.84 = 89,052.28 : x
  2. Step 2: Convert to fraction form
    160,665.60/221,712.84 = 89,052.28/x
  3. Step 3: Cross multiply
    160,665.60x = 221,712.84 × 89,052.28
  4. Step 4: Simplify right side
    160,665.60x = 19,744,033,907.28
  5. Step 5: Solve for x
    x = 19,744,033,907.28/160,665.60
  6. Step 6: Final answer
    x = 122,888.99

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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.