Home / 358,725.20-537,893.40-148,125.20

Finding the Fourth Proportional to 358,725.20, 537,893.40 and 148,125.20

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Solution

The fourth proportional to 358,725.20, 537,893.40 and 148,125.20 is: 222,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,725.20 : 537,893.40 = 148,125.20 : x
  2. Step 2: Convert to fraction form
    358,725.20/537,893.40 = 148,125.20/x
  3. Step 3: Cross multiply
    358,725.20x = 537,893.40 × 148,125.20
  4. Step 4: Simplify right side
    358,725.20x = 79,675,567,453.68
  5. Step 5: Solve for x
    x = 79,675,567,453.68/358,725.20
  6. Step 6: Final answer
    x = 222,107.53

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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.