Home / 132,070.50-197,919.86-57,132.95

Finding the Fourth Proportional to 132,070.50, 197,919.86 and 57,132.95

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Solution

The fourth proportional to 132,070.50, 197,919.86 and 57,132.95 is: 85,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,070.50 : 197,919.86 = 57,132.95 : x
  2. Step 2: Convert to fraction form
    132,070.50/197,919.86 = 57,132.95/x
  3. Step 3: Cross multiply
    132,070.50x = 197,919.86 × 57,132.95
  4. Step 4: Simplify right side
    132,070.50x = 11,307,744,190.12
  5. Step 5: Solve for x
    x = 11,307,744,190.12/132,070.50
  6. Step 6: Final answer
    x = 85,619.00

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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.