Home / 263,427.10-363,431.55-167,911.90

Finding the Fourth Proportional to 263,427.10, 363,431.55 and 167,911.90

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Solution

The fourth proportional to 263,427.10, 363,431.55 and 167,911.90 is: 231,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,427.10 : 363,431.55 = 167,911.90 : x
  2. Step 2: Convert to fraction form
    263,427.10/363,431.55 = 167,911.90/x
  3. Step 3: Cross multiply
    263,427.10x = 363,431.55 × 167,911.90
  4. Step 4: Simplify right side
    263,427.10x = 61,024,482,080.45
  5. Step 5: Solve for x
    x = 61,024,482,080.45/263,427.10
  6. Step 6: Final answer
    x = 231,656.05

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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.