Home / 132,097.40-197,807.79-72,867.23

Finding the Fourth Proportional to 132,097.40, 197,807.79 and 72,867.23

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Solution

The fourth proportional to 132,097.40, 197,807.79 and 72,867.23 is: 109,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,097.40 : 197,807.79 = 72,867.23 : x
  2. Step 2: Convert to fraction form
    132,097.40/197,807.79 = 72,867.23/x
  3. Step 3: Cross multiply
    132,097.40x = 197,807.79 × 72,867.23
  4. Step 4: Simplify right side
    132,097.40x = 14,413,705,729.72
  5. Step 5: Solve for x
    x = 14,413,705,729.72/132,097.40
  6. Step 6: Final answer
    x = 109,114.23

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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.