Home / 136,375.04-204,611.68-47,641.60

Finding the Fourth Proportional to 136,375.04, 204,611.68 and 47,641.60

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Solution

The fourth proportional to 136,375.04, 204,611.68 and 47,641.60 is: 71,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,375.04 : 204,611.68 = 47,641.60 : x
  2. Step 2: Convert to fraction form
    136,375.04/204,611.68 = 47,641.60/x
  3. Step 3: Cross multiply
    136,375.04x = 204,611.68 × 47,641.60
  4. Step 4: Simplify right side
    136,375.04x = 9,748,027,813.89
  5. Step 5: Solve for x
    x = 9,748,027,813.89/136,375.04
  6. Step 6: Final answer
    x = 71,479.56

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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.