Home / 205,059.38-307,587.23-64,818.05

Finding the Fourth Proportional to 205,059.38, 307,587.23 and 64,818.05

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Solution

The fourth proportional to 205,059.38, 307,587.23 and 64,818.05 is: 97,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,059.38 : 307,587.23 = 64,818.05 : x
  2. Step 2: Convert to fraction form
    205,059.38/307,587.23 = 64,818.05/x
  3. Step 3: Cross multiply
    205,059.38x = 307,587.23 × 64,818.05
  4. Step 4: Simplify right side
    205,059.38x = 19,937,204,129.41
  5. Step 5: Solve for x
    x = 19,937,204,129.41/205,059.38
  6. Step 6: Final answer
    x = 97,226.49

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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.