Home / 132,409.02-198,551.12-48,109.76

Finding the Fourth Proportional to 132,409.02, 198,551.12 and 48,109.76

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Solution

The fourth proportional to 132,409.02, 198,551.12 and 48,109.76 is: 72,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,409.02 : 198,551.12 = 48,109.76 : x
  2. Step 2: Convert to fraction form
    132,409.02/198,551.12 = 48,109.76/x
  3. Step 3: Cross multiply
    132,409.02x = 198,551.12 × 48,109.76
  4. Step 4: Simplify right side
    132,409.02x = 9,552,245,497.63
  5. Step 5: Solve for x
    x = 9,552,245,497.63/132,409.02
  6. Step 6: Final answer
    x = 72,141.95

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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.