Home / 131,340.42-197,035.23-42,582.39

Finding the Fourth Proportional to 131,340.42, 197,035.23 and 42,582.39

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Solution

The fourth proportional to 131,340.42, 197,035.23 and 42,582.39 is: 63,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,340.42 : 197,035.23 = 42,582.39 : x
  2. Step 2: Convert to fraction form
    131,340.42/197,035.23 = 42,582.39/x
  3. Step 3: Cross multiply
    131,340.42x = 197,035.23 × 42,582.39
  4. Step 4: Simplify right side
    131,340.42x = 8,390,231,007.60
  5. Step 5: Solve for x
    x = 8,390,231,007.60/131,340.42
  6. Step 6: Final answer
    x = 63,881.56

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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.