Home / 216,220.59-298,399.14-120,725.24

Finding the Fourth Proportional to 216,220.59, 298,399.14 and 120,725.24

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Solution

The fourth proportional to 216,220.59, 298,399.14 and 120,725.24 is: 166,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,220.59 : 298,399.14 = 120,725.24 : x
  2. Step 2: Convert to fraction form
    216,220.59/298,399.14 = 120,725.24/x
  3. Step 3: Cross multiply
    216,220.59x = 298,399.14 × 120,725.24
  4. Step 4: Simplify right side
    216,220.59x = 36,024,306,300.30
  5. Step 5: Solve for x
    x = 36,024,306,300.30/216,220.59
  6. Step 6: Final answer
    x = 166,609.05

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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.