Home / 160,557.96-221,571.84-87,962.76

Finding the Fourth Proportional to 160,557.96, 221,571.84 and 87,962.76

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Solution

The fourth proportional to 160,557.96, 221,571.84 and 87,962.76 is: 121,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,557.96 : 221,571.84 = 87,962.76 : x
  2. Step 2: Convert to fraction form
    160,557.96/221,571.84 = 87,962.76/x
  3. Step 3: Cross multiply
    160,557.96x = 221,571.84 × 87,962.76
  4. Step 4: Simplify right side
    160,557.96x = 19,490,070,584.68
  5. Step 5: Solve for x
    x = 19,490,070,584.68/160,557.96
  6. Step 6: Final answer
    x = 121,389.63

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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.