Home / 160,860.44-221,987.66-89,240.46

Finding the Fourth Proportional to 160,860.44, 221,987.66 and 89,240.46

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Solution

The fourth proportional to 160,860.44, 221,987.66 and 89,240.46 is: 123,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,860.44 : 221,987.66 = 89,240.46 : x
  2. Step 2: Convert to fraction form
    160,860.44/221,987.66 = 89,240.46/x
  3. Step 3: Cross multiply
    160,860.44x = 221,987.66 × 89,240.46
  4. Step 4: Simplify right side
    160,860.44x = 19,810,280,892.72
  5. Step 5: Solve for x
    x = 19,810,280,892.72/160,860.44
  6. Step 6: Final answer
    x = 123,151.98

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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.