Home / 216,029.03-298,090.26-120,517.20

Finding the Fourth Proportional to 216,029.03, 298,090.26 and 120,517.20

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Solution

The fourth proportional to 216,029.03, 298,090.26 and 120,517.20 is: 166,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,029.03 : 298,090.26 = 120,517.20 : x
  2. Step 2: Convert to fraction form
    216,029.03/298,090.26 = 120,517.20/x
  3. Step 3: Cross multiply
    216,029.03x = 298,090.26 × 120,517.20
  4. Step 4: Simplify right side
    216,029.03x = 35,925,003,482.47
  5. Step 5: Solve for x
    x = 35,925,003,482.47/216,029.03
  6. Step 6: Final answer
    x = 166,297.11

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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.