Home / 216,535.72-298,821.25-119,746.15

Finding the Fourth Proportional to 216,535.72, 298,821.25 and 119,746.15

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Solution

The fourth proportional to 216,535.72, 298,821.25 and 119,746.15 is: 165,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,535.72 : 298,821.25 = 119,746.15 : x
  2. Step 2: Convert to fraction form
    216,535.72/298,821.25 = 119,746.15/x
  3. Step 3: Cross multiply
    216,535.72x = 298,821.25 × 119,746.15
  4. Step 4: Simplify right side
    216,535.72x = 35,782,692,824.48
  5. Step 5: Solve for x
    x = 35,782,692,824.48/216,535.72
  6. Step 6: Final answer
    x = 165,250.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.