Home / 132,638.02-199,008.90-49,538.50

Finding the Fourth Proportional to 132,638.02, 199,008.90 and 49,538.50

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Solution

The fourth proportional to 132,638.02, 199,008.90 and 49,538.50 is: 74,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,638.02 : 199,008.90 = 49,538.50 : x
  2. Step 2: Convert to fraction form
    132,638.02/199,008.90 = 49,538.50/x
  3. Step 3: Cross multiply
    132,638.02x = 199,008.90 × 49,538.50
  4. Step 4: Simplify right side
    132,638.02x = 9,858,602,392.65
  5. Step 5: Solve for x
    x = 9,858,602,392.65/132,638.02
  6. Step 6: Final answer
    x = 74,327.12

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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.