Home / 216,440.83-298,694.96-120,951.55

Finding the Fourth Proportional to 216,440.83, 298,694.96 and 120,951.55

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Solution

The fourth proportional to 216,440.83, 298,694.96 and 120,951.55 is: 166,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,440.83 : 298,694.96 = 120,951.55 : x
  2. Step 2: Convert to fraction form
    216,440.83/298,694.96 = 120,951.55/x
  3. Step 3: Cross multiply
    216,440.83x = 298,694.96 × 120,951.55
  4. Step 4: Simplify right side
    216,440.83x = 36,127,618,389.19
  5. Step 5: Solve for x
    x = 36,127,618,389.19/216,440.83
  6. Step 6: Final answer
    x = 166,916.84

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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.