Home / 216,008.60-298,106.19-120,517.34

Finding the Fourth Proportional to 216,008.60, 298,106.19 and 120,517.34

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Solution

The fourth proportional to 216,008.60, 298,106.19 and 120,517.34 is: 166,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,008.60 : 298,106.19 = 120,517.34 : x
  2. Step 2: Convert to fraction form
    216,008.60/298,106.19 = 120,517.34/x
  3. Step 3: Cross multiply
    216,008.60x = 298,106.19 × 120,517.34
  4. Step 4: Simplify right side
    216,008.60x = 35,926,963,565.80
  5. Step 5: Solve for x
    x = 35,926,963,565.80/216,008.60
  6. Step 6: Final answer
    x = 166,321.92

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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.