Home / 231,083.60-346,637.70-73,324.40

Finding the Fourth Proportional to 231,083.60, 346,637.70 and 73,324.40

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Solution

The fourth proportional to 231,083.60, 346,637.70 and 73,324.40 is: 109,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,083.60 : 346,637.70 = 73,324.40 : x
  2. Step 2: Convert to fraction form
    231,083.60/346,637.70 = 73,324.40/x
  3. Step 3: Cross multiply
    231,083.60x = 346,637.70 × 73,324.40
  4. Step 4: Simplify right side
    231,083.60x = 25,417,001,369.88
  5. Step 5: Solve for x
    x = 25,417,001,369.88/231,083.60
  6. Step 6: Final answer
    x = 109,990.50

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1.5x scale

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.