Home / 160,688.46-221,838.39-109,777.74

Finding the Fourth Proportional to 160,688.46, 221,838.39 and 109,777.74

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Solution

The fourth proportional to 160,688.46, 221,838.39 and 109,777.74 is: 151,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,688.46 : 221,838.39 = 109,777.74 : x
  2. Step 2: Convert to fraction form
    160,688.46/221,838.39 = 109,777.74/x
  3. Step 3: Cross multiply
    160,688.46x = 221,838.39 × 109,777.74
  4. Step 4: Simplify right side
    160,688.46x = 24,352,917,099.44
  5. Step 5: Solve for x
    x = 24,352,917,099.44/160,688.46
  6. Step 6: Final answer
    x = 151,553.62

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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.