Home / 216,119.14-298,232.27-120,631.98

Finding the Fourth Proportional to 216,119.14, 298,232.27 and 120,631.98

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Solution

The fourth proportional to 216,119.14, 298,232.27 and 120,631.98 is: 166,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,119.14 : 298,232.27 = 120,631.98 : x
  2. Step 2: Convert to fraction form
    216,119.14/298,232.27 = 120,631.98/x
  3. Step 3: Cross multiply
    216,119.14x = 298,232.27 × 120,631.98
  4. Step 4: Simplify right side
    216,119.14x = 35,976,349,229.99
  5. Step 5: Solve for x
    x = 35,976,349,229.99/216,119.14
  6. Step 6: Final answer
    x = 166,465.35

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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.