Home / 136,267.20-204,400.80-73,281.60

Finding the Fourth Proportional to 136,267.20, 204,400.80 and 73,281.60

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Solution

The fourth proportional to 136,267.20, 204,400.80 and 73,281.60 is: 109,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,267.20 : 204,400.80 = 73,281.60 : x
  2. Step 2: Convert to fraction form
    136,267.20/204,400.80 = 73,281.60/x
  3. Step 3: Cross multiply
    136,267.20x = 204,400.80 × 73,281.60
  4. Step 4: Simplify right side
    136,267.20x = 14,978,817,665.28
  5. Step 5: Solve for x
    x = 14,978,817,665.28/136,267.20
  6. Step 6: Final answer
    x = 109,922.40

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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.