Home / 160,627.82-221,679.15-89,014.64

Finding the Fourth Proportional to 160,627.82, 221,679.15 and 89,014.64

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Solution

The fourth proportional to 160,627.82, 221,679.15 and 89,014.64 is: 122,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,627.82 : 221,679.15 = 89,014.64 : x
  2. Step 2: Convert to fraction form
    160,627.82/221,679.15 = 89,014.64/x
  3. Step 3: Cross multiply
    160,627.82x = 221,679.15 × 89,014.64
  4. Step 4: Simplify right side
    160,627.82x = 19,732,689,732.76
  5. Step 5: Solve for x
    x = 19,732,689,732.76/160,627.82
  6. Step 6: Final answer
    x = 122,847.27

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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.