Home / 142,103.92-213,151-36,923.80

Finding the Fourth Proportional to 142,103.92, 213,151 and 36,923.80

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Solution

The fourth proportional to 142,103.92, 213,151 and 36,923.80 is: 55,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,103.92 : 213,151 = 36,923.80 : x
  2. Step 2: Convert to fraction form
    142,103.92/213,151 = 36,923.80/x
  3. Step 3: Cross multiply
    142,103.92x = 213,151 × 36,923.80
  4. Step 4: Simplify right side
    142,103.92x = 7,870,344,893.80
  5. Step 5: Solve for x
    x = 7,870,344,893.80/142,103.92
  6. Step 6: Final answer
    x = 55,384.43

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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.