Home / 240,836.32-361,271.04-72,349.60

Finding the Fourth Proportional to 240,836.32, 361,271.04 and 72,349.60

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Solution

The fourth proportional to 240,836.32, 361,271.04 and 72,349.60 is: 108,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,836.32 : 361,271.04 = 72,349.60 : x
  2. Step 2: Convert to fraction form
    240,836.32/361,271.04 = 72,349.60/x
  3. Step 3: Cross multiply
    240,836.32x = 361,271.04 × 72,349.60
  4. Step 4: Simplify right side
    240,836.32x = 26,137,815,235.58
  5. Step 5: Solve for x
    x = 26,137,815,235.58/240,836.32
  6. Step 6: Final answer
    x = 108,529.37

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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.