Home / 132,411.78-198,555.24-48,112.50

Finding the Fourth Proportional to 132,411.78, 198,555.24 and 48,112.50

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Solution

The fourth proportional to 132,411.78, 198,555.24 and 48,112.50 is: 72,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,411.78 : 198,555.24 = 48,112.50 : x
  2. Step 2: Convert to fraction form
    132,411.78/198,555.24 = 48,112.50/x
  3. Step 3: Cross multiply
    132,411.78x = 198,555.24 × 48,112.50
  4. Step 4: Simplify right side
    132,411.78x = 9,552,988,984.50
  5. Step 5: Solve for x
    x = 9,552,988,984.50/132,411.78
  6. Step 6: Final answer
    x = 72,146.07

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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.