Home / 132,032.20-197,756.70-53,105.80

Finding the Fourth Proportional to 132,032.20, 197,756.70 and 53,105.80

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Solution

The fourth proportional to 132,032.20, 197,756.70 and 53,105.80 is: 79,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,032.20 : 197,756.70 = 53,105.80 : x
  2. Step 2: Convert to fraction form
    132,032.20/197,756.70 = 53,105.80/x
  3. Step 3: Cross multiply
    132,032.20x = 197,756.70 × 53,105.80
  4. Step 4: Simplify right side
    132,032.20x = 10,502,027,758.86
  5. Step 5: Solve for x
    x = 10,502,027,758.86/132,032.20
  6. Step 6: Final answer
    x = 79,541.41

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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.