Home / 179,053.20-268,579.80-134,438.40

Finding the Fourth Proportional to 179,053.20, 268,579.80 and 134,438.40

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Solution

The fourth proportional to 179,053.20, 268,579.80 and 134,438.40 is: 201,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,053.20 : 268,579.80 = 134,438.40 : x
  2. Step 2: Convert to fraction form
    179,053.20/268,579.80 = 134,438.40/x
  3. Step 3: Cross multiply
    179,053.20x = 268,579.80 × 134,438.40
  4. Step 4: Simplify right side
    179,053.20x = 36,107,438,584.32
  5. Step 5: Solve for x
    x = 36,107,438,584.32/179,053.20
  6. Step 6: Final answer
    x = 201,657.60

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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.