Home / 231,200.79-346,799.57-118,912.32

Finding the Fourth Proportional to 231,200.79, 346,799.57 and 118,912.32

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Solution

The fourth proportional to 231,200.79, 346,799.57 and 118,912.32 is: 178,367.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,200.79 : 346,799.57 = 118,912.32 : x
  2. Step 2: Convert to fraction form
    231,200.79/346,799.57 = 118,912.32/x
  3. Step 3: Cross multiply
    231,200.79x = 346,799.57 × 118,912.32
  4. Step 4: Simplify right side
    231,200.79x = 41,238,740,849.14
  5. Step 5: Solve for x
    x = 41,238,740,849.14/231,200.79
  6. Step 6: Final answer
    x = 178,367.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.