Home / 142,163.13-213,244.97-36,981.93

Finding the Fourth Proportional to 142,163.13, 213,244.97 and 36,981.93

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Solution

The fourth proportional to 142,163.13, 213,244.97 and 36,981.93 is: 55,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,163.13 : 213,244.97 = 36,981.93 : x
  2. Step 2: Convert to fraction form
    142,163.13/213,244.97 = 36,981.93/x
  3. Step 3: Cross multiply
    142,163.13x = 213,244.97 × 36,981.93
  4. Step 4: Simplify right side
    142,163.13x = 7,886,210,553.39
  5. Step 5: Solve for x
    x = 7,886,210,553.39/142,163.13
  6. Step 6: Final answer
    x = 55,472.97

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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.