Home / 203,582.60-280,913.30-116,361.40

Finding the Fourth Proportional to 203,582.60, 280,913.30 and 116,361.40

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Solution

The fourth proportional to 203,582.60, 280,913.30 and 116,361.40 is: 160,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,582.60 : 280,913.30 = 116,361.40 : x
  2. Step 2: Convert to fraction form
    203,582.60/280,913.30 = 116,361.40/x
  3. Step 3: Cross multiply
    203,582.60x = 280,913.30 × 116,361.40
  4. Step 4: Simplify right side
    203,582.60x = 32,687,464,866.62
  5. Step 5: Solve for x
    x = 32,687,464,866.62/203,582.60
  6. Step 6: Final answer
    x = 160,561.19

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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.