Home / 132,038.20-197,765.70-53,111.80

Finding the Fourth Proportional to 132,038.20, 197,765.70 and 53,111.80

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Solution

The fourth proportional to 132,038.20, 197,765.70 and 53,111.80 is: 79,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,038.20 : 197,765.70 = 53,111.80 : x
  2. Step 2: Convert to fraction form
    132,038.20/197,765.70 = 53,111.80/x
  3. Step 3: Cross multiply
    132,038.20x = 197,765.70 × 53,111.80
  4. Step 4: Simplify right side
    132,038.20x = 10,503,692,305.26
  5. Step 5: Solve for x
    x = 10,503,692,305.26/132,038.20
  6. Step 6: Final answer
    x = 79,550.41

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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.