Home / 230,740.20-346,077.90-72,984.60

Finding the Fourth Proportional to 230,740.20, 346,077.90 and 72,984.60

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Solution

The fourth proportional to 230,740.20, 346,077.90 and 72,984.60 is: 109,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,740.20 : 346,077.90 = 72,984.60 : x
  2. Step 2: Convert to fraction form
    230,740.20/346,077.90 = 72,984.60/x
  3. Step 3: Cross multiply
    230,740.20x = 346,077.90 × 72,984.60
  4. Step 4: Simplify right side
    230,740.20x = 25,258,357,100.34
  5. Step 5: Solve for x
    x = 25,258,357,100.34/230,740.20
  6. Step 6: Final answer
    x = 109,466.65

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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.