Home / 216,436.16-298,676.17-120,943.64

Finding the Fourth Proportional to 216,436.16, 298,676.17 and 120,943.64

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Solution

The fourth proportional to 216,436.16, 298,676.17 and 120,943.64 is: 166,899.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,436.16 : 298,676.17 = 120,943.64 : x
  2. Step 2: Convert to fraction form
    216,436.16/298,676.17 = 120,943.64/x
  3. Step 3: Cross multiply
    216,436.16x = 298,676.17 × 120,943.64
  4. Step 4: Simplify right side
    216,436.16x = 36,122,983,181.06
  5. Step 5: Solve for x
    x = 36,122,983,181.06/216,436.16
  6. Step 6: Final answer
    x = 166,899.02

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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.