Home / 230,095.20-345,272.40-89,835.60

Finding the Fourth Proportional to 230,095.20, 345,272.40 and 89,835.60

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Solution

The fourth proportional to 230,095.20, 345,272.40 and 89,835.60 is: 134,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,095.20 : 345,272.40 = 89,835.60 : x
  2. Step 2: Convert to fraction form
    230,095.20/345,272.40 = 89,835.60/x
  3. Step 3: Cross multiply
    230,095.20x = 345,272.40 × 89,835.60
  4. Step 4: Simplify right side
    230,095.20x = 31,017,753,217.44
  5. Step 5: Solve for x
    x = 31,017,753,217.44/230,095.20
  6. Step 6: Final answer
    x = 134,804.00

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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.