Home / 230,869.20-346,271.40-73,113.60

Finding the Fourth Proportional to 230,869.20, 346,271.40 and 73,113.60

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Solution

The fourth proportional to 230,869.20, 346,271.40 and 73,113.60 is: 109,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,869.20 : 346,271.40 = 73,113.60 : x
  2. Step 2: Convert to fraction form
    230,869.20/346,271.40 = 73,113.60/x
  3. Step 3: Cross multiply
    230,869.20x = 346,271.40 × 73,113.60
  4. Step 4: Simplify right side
    230,869.20x = 25,317,148,631.04
  5. Step 5: Solve for x
    x = 25,317,148,631.04/230,869.20
  6. Step 6: Final answer
    x = 109,660.14

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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.