Home / 331,280.92-457,270.86-188,136.28

Finding the Fourth Proportional to 331,280.92, 457,270.86 and 188,136.28

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Solution

The fourth proportional to 331,280.92, 457,270.86 and 188,136.28 is: 259,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,280.92 : 457,270.86 = 188,136.28 : x
  2. Step 2: Convert to fraction form
    331,280.92/457,270.86 = 188,136.28/x
  3. Step 3: Cross multiply
    331,280.92x = 457,270.86 × 188,136.28
  4. Step 4: Simplify right side
    331,280.92x = 86,029,238,552.80
  5. Step 5: Solve for x
    x = 86,029,238,552.80/331,280.92
  6. Step 6: Final answer
    x = 259,686.67

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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.