Home / 217,410.85-326,113.23-75,359.53

Finding the Fourth Proportional to 217,410.85, 326,113.23 and 75,359.53

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Solution

The fourth proportional to 217,410.85, 326,113.23 and 75,359.53 is: 113,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,410.85 : 326,113.23 = 75,359.53 : x
  2. Step 2: Convert to fraction form
    217,410.85/326,113.23 = 75,359.53/x
  3. Step 3: Cross multiply
    217,410.85x = 326,113.23 × 75,359.53
  4. Step 4: Simplify right side
    217,410.85x = 24,575,738,109.02
  5. Step 5: Solve for x
    x = 24,575,738,109.02/217,410.85
  6. Step 6: Final answer
    x = 113,038.23

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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.