Home / 160,840.58-221,986.62-89,243.66

Finding the Fourth Proportional to 160,840.58, 221,986.62 and 89,243.66

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Solution

The fourth proportional to 160,840.58, 221,986.62 and 89,243.66 is: 123,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,840.58 : 221,986.62 = 89,243.66 : x
  2. Step 2: Convert to fraction form
    160,840.58/221,986.62 = 89,243.66/x
  3. Step 3: Cross multiply
    160,840.58x = 221,986.62 × 89,243.66
  4. Step 4: Simplify right side
    160,840.58x = 19,810,898,994.80
  5. Step 5: Solve for x
    x = 19,810,898,994.80/160,840.58
  6. Step 6: Final answer
    x = 123,171.03

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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.