Home / 230,743.47-346,269.65-80,984.46

Finding the Fourth Proportional to 230,743.47, 346,269.65 and 80,984.46

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Solution

The fourth proportional to 230,743.47, 346,269.65 and 80,984.46 is: 121,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,743.47 : 346,269.65 = 80,984.46 : x
  2. Step 2: Convert to fraction form
    230,743.47/346,269.65 = 80,984.46/x
  3. Step 3: Cross multiply
    230,743.47x = 346,269.65 × 80,984.46
  4. Step 4: Simplify right side
    230,743.47x = 28,042,460,214.72
  5. Step 5: Solve for x
    x = 28,042,460,214.72/230,743.47
  6. Step 6: Final answer
    x = 121,530.89

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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.