Home / 216,237.20-298,392.46-120,730.91

Finding the Fourth Proportional to 216,237.20, 298,392.46 and 120,730.91

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Solution

The fourth proportional to 216,237.20, 298,392.46 and 120,730.91 is: 166,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,237.20 : 298,392.46 = 120,730.91 : x
  2. Step 2: Convert to fraction form
    216,237.20/298,392.46 = 120,730.91/x
  3. Step 3: Cross multiply
    216,237.20x = 298,392.46 × 120,730.91
  4. Step 4: Simplify right side
    216,237.20x = 36,025,191,439.15
  5. Step 5: Solve for x
    x = 36,025,191,439.15/216,237.20
  6. Step 6: Final answer
    x = 166,600.35

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1.5x scale

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.