Home / 132,171.41-198,299.81-61,140.63

Finding the Fourth Proportional to 132,171.41, 198,299.81 and 61,140.63

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Solution

The fourth proportional to 132,171.41, 198,299.81 and 61,140.63 is: 91,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,171.41 : 198,299.81 = 61,140.63 : x
  2. Step 2: Convert to fraction form
    132,171.41/198,299.81 = 61,140.63/x
  3. Step 3: Cross multiply
    132,171.41x = 198,299.81 × 61,140.63
  4. Step 4: Simplify right side
    132,171.41x = 12,124,175,006.58
  5. Step 5: Solve for x
    x = 12,124,175,006.58/132,171.41
  6. Step 6: Final answer
    x = 91,730.70

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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.