Home / 216,113.04-298,236.36-120,619.74

Finding the Fourth Proportional to 216,113.04, 298,236.36 and 120,619.74

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Solution

The fourth proportional to 216,113.04, 298,236.36 and 120,619.74 is: 166,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,113.04 : 298,236.36 = 120,619.74 : x
  2. Step 2: Convert to fraction form
    216,113.04/298,236.36 = 120,619.74/x
  3. Step 3: Cross multiply
    216,113.04x = 298,236.36 × 120,619.74
  4. Step 4: Simplify right side
    216,113.04x = 35,973,192,201.75
  5. Step 5: Solve for x
    x = 35,973,192,201.75/216,113.04
  6. Step 6: Final answer
    x = 166,455.44

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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.