Home / 230,705.40-346,122.90-112,380.60

Finding the Fourth Proportional to 230,705.40, 346,122.90 and 112,380.60

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Solution

The fourth proportional to 230,705.40, 346,122.90 and 112,380.60 is: 168,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,705.40 : 346,122.90 = 112,380.60 : x
  2. Step 2: Convert to fraction form
    230,705.40/346,122.90 = 112,380.60/x
  3. Step 3: Cross multiply
    230,705.40x = 346,122.90 × 112,380.60
  4. Step 4: Simplify right side
    230,705.40x = 38,897,499,175.74
  5. Step 5: Solve for x
    x = 38,897,499,175.74/230,705.40
  6. Step 6: Final answer
    x = 168,602.47

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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.