Home / 160,717.28-221,784.96-89,093

Finding the Fourth Proportional to 160,717.28, 221,784.96 and 89,093

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Solution

The fourth proportional to 160,717.28, 221,784.96 and 89,093 is: 122,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,717.28 : 221,784.96 = 89,093 : x
  2. Step 2: Convert to fraction form
    160,717.28/221,784.96 = 89,093/x
  3. Step 3: Cross multiply
    160,717.28x = 221,784.96 × 89,093
  4. Step 4: Simplify right side
    160,717.28x = 19,759,487,441.28
  5. Step 5: Solve for x
    x = 19,759,487,441.28/160,717.28
  6. Step 6: Final answer
    x = 122,945.63

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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.