Home / 193,039.60-289,559.40-146,383.60

Finding the Fourth Proportional to 193,039.60, 289,559.40 and 146,383.60

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Solution

The fourth proportional to 193,039.60, 289,559.40 and 146,383.60 is: 219,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,039.60 : 289,559.40 = 146,383.60 : x
  2. Step 2: Convert to fraction form
    193,039.60/289,559.40 = 146,383.60/x
  3. Step 3: Cross multiply
    193,039.60x = 289,559.40 × 146,383.60
  4. Step 4: Simplify right side
    193,039.60x = 42,386,747,385.84
  5. Step 5: Solve for x
    x = 42,386,747,385.84/193,039.60
  6. Step 6: Final answer
    x = 219,575.40

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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.