Home / 217,411.85-326,114.73-75,360.53

Finding the Fourth Proportional to 217,411.85, 326,114.73 and 75,360.53

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Solution

The fourth proportional to 217,411.85, 326,114.73 and 75,360.53 is: 113,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,411.85 : 326,114.73 = 75,360.53 : x
  2. Step 2: Convert to fraction form
    217,411.85/326,114.73 = 75,360.53/x
  3. Step 3: Cross multiply
    217,411.85x = 326,114.73 × 75,360.53
  4. Step 4: Simplify right side
    217,411.85x = 24,576,178,893.61
  5. Step 5: Solve for x
    x = 24,576,178,893.61/217,411.85
  6. Step 6: Final answer
    x = 113,039.74

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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.