Home / 239,136.16-358,620.48-70,611.52

Finding the Fourth Proportional to 239,136.16, 358,620.48 and 70,611.52

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Solution

The fourth proportional to 239,136.16, 358,620.48 and 70,611.52 is: 105,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,136.16 : 358,620.48 = 70,611.52 : x
  2. Step 2: Convert to fraction form
    239,136.16/358,620.48 = 70,611.52/x
  3. Step 3: Cross multiply
    239,136.16x = 358,620.48 × 70,611.52
  4. Step 4: Simplify right side
    239,136.16x = 25,322,737,195.93
  5. Step 5: Solve for x
    x = 25,322,737,195.93/239,136.16
  6. Step 6: Final answer
    x = 105,892.55

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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.