Home / 334,431.90-461,899.32-220,221.12

Finding the Fourth Proportional to 334,431.90, 461,899.32 and 220,221.12

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Solution

The fourth proportional to 334,431.90, 461,899.32 and 220,221.12 is: 304,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,431.90 : 461,899.32 = 220,221.12 : x
  2. Step 2: Convert to fraction form
    334,431.90/461,899.32 = 220,221.12/x
  3. Step 3: Cross multiply
    334,431.90x = 461,899.32 × 220,221.12
  4. Step 4: Simplify right side
    334,431.90x = 101,719,985,577.64
  5. Step 5: Solve for x
    x = 101,719,985,577.64/334,431.90
  6. Step 6: Final answer
    x = 304,157.54

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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.