Home / 132,582.80-198,701.40-61,497.20

Finding the Fourth Proportional to 132,582.80, 198,701.40 and 61,497.20

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Solution

The fourth proportional to 132,582.80, 198,701.40 and 61,497.20 is: 92,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,582.80 : 198,701.40 = 61,497.20 : x
  2. Step 2: Convert to fraction form
    132,582.80/198,701.40 = 61,497.20/x
  3. Step 3: Cross multiply
    132,582.80x = 198,701.40 × 61,497.20
  4. Step 4: Simplify right side
    132,582.80x = 12,219,579,736.08
  5. Step 5: Solve for x
    x = 12,219,579,736.08/132,582.80
  6. Step 6: Final answer
    x = 92,165.65

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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.