Home / 190,121.91-285,084.45-101,351.58

Finding the Fourth Proportional to 190,121.91, 285,084.45 and 101,351.58

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Solution

The fourth proportional to 190,121.91, 285,084.45 and 101,351.58 is: 151,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,121.91 : 285,084.45 = 101,351.58 : x
  2. Step 2: Convert to fraction form
    190,121.91/285,084.45 = 101,351.58/x
  3. Step 3: Cross multiply
    190,121.91x = 285,084.45 × 101,351.58
  4. Step 4: Simplify right side
    190,121.91x = 28,893,759,440.93
  5. Step 5: Solve for x
    x = 28,893,759,440.93/190,121.91
  6. Step 6: Final answer
    x = 151,974.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.