Home / 203,463.04-280,779.60-112,825.39

Finding the Fourth Proportional to 203,463.04, 280,779.60 and 112,825.39

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Solution

The fourth proportional to 203,463.04, 280,779.60 and 112,825.39 is: 155,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,463.04 : 280,779.60 = 112,825.39 : x
  2. Step 2: Convert to fraction form
    203,463.04/280,779.60 = 112,825.39/x
  3. Step 3: Cross multiply
    203,463.04x = 280,779.60 × 112,825.39
  4. Step 4: Simplify right side
    203,463.04x = 31,679,067,874.04
  5. Step 5: Solve for x
    x = 31,679,067,874.04/203,463.04
  6. Step 6: Final answer
    x = 155,699.37

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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.