Home / 169,942.32-234,584.64-145,972.80

Finding the Fourth Proportional to 169,942.32, 234,584.64 and 145,972.80

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Solution

The fourth proportional to 169,942.32, 234,584.64 and 145,972.80 is: 201,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,942.32 : 234,584.64 = 145,972.80 : x
  2. Step 2: Convert to fraction form
    169,942.32/234,584.64 = 145,972.80/x
  3. Step 3: Cross multiply
    169,942.32x = 234,584.64 × 145,972.80
  4. Step 4: Simplify right side
    169,942.32x = 34,242,976,737.79
  5. Step 5: Solve for x
    x = 34,242,976,737.79/169,942.32
  6. Step 6: Final answer
    x = 201,497.64

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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.