Home / 136,205.10-204,263.69-49,638.65

Finding the Fourth Proportional to 136,205.10, 204,263.69 and 49,638.65

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Solution

The fourth proportional to 136,205.10, 204,263.69 and 49,638.65 is: 74,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,205.10 : 204,263.69 = 49,638.65 : x
  2. Step 2: Convert to fraction form
    136,205.10/204,263.69 = 49,638.65/x
  3. Step 3: Cross multiply
    136,205.10x = 204,263.69 × 49,638.65
  4. Step 4: Simplify right side
    136,205.10x = 10,139,372,546.11
  5. Step 5: Solve for x
    x = 10,139,372,546.11/136,205.10
  6. Step 6: Final answer
    x = 74,441.94

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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.