Home / 230,000.15-345,055.82-72,228.60

Finding the Fourth Proportional to 230,000.15, 345,055.82 and 72,228.60

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Solution

The fourth proportional to 230,000.15, 345,055.82 and 72,228.60 is: 108,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,000.15 : 345,055.82 = 72,228.60 : x
  2. Step 2: Convert to fraction form
    230,000.15/345,055.82 = 72,228.60/x
  3. Step 3: Cross multiply
    230,000.15x = 345,055.82 × 72,228.60
  4. Step 4: Simplify right side
    230,000.15x = 24,922,898,439.31
  5. Step 5: Solve for x
    x = 24,922,898,439.31/230,000.15
  6. Step 6: Final answer
    x = 108,360.36

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1.5x scale

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.