Home / 203,666.31-281,080.26-113,022.90

Finding the Fourth Proportional to 203,666.31, 281,080.26 and 113,022.90

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Solution

The fourth proportional to 203,666.31, 281,080.26 and 113,022.90 is: 155,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,666.31 : 281,080.26 = 113,022.90 : x
  2. Step 2: Convert to fraction form
    203,666.31/281,080.26 = 113,022.90/x
  3. Step 3: Cross multiply
    203,666.31x = 281,080.26 × 113,022.90
  4. Step 4: Simplify right side
    203,666.31x = 31,768,506,117.95
  5. Step 5: Solve for x
    x = 31,768,506,117.95/203,666.31
  6. Step 6: Final answer
    x = 155,983.12

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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.