Home / 131,429.70-197,122.95-36,666.36

Finding the Fourth Proportional to 131,429.70, 197,122.95 and 36,666.36

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Solution

The fourth proportional to 131,429.70, 197,122.95 and 36,666.36 is: 54,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.70 : 197,122.95 = 36,666.36 : x
  2. Step 2: Convert to fraction form
    131,429.70/197,122.95 = 36,666.36/x
  3. Step 3: Cross multiply
    131,429.70x = 197,122.95 × 36,666.36
  4. Step 4: Simplify right side
    131,429.70x = 7,227,781,048.96
  5. Step 5: Solve for x
    x = 7,227,781,048.96/131,429.70
  6. Step 6: Final answer
    x = 54,993.51

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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.