Home / 250,207.17-345,310.55-142,793.37

Finding the Fourth Proportional to 250,207.17, 345,310.55 and 142,793.37

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Solution

The fourth proportional to 250,207.17, 345,310.55 and 142,793.37 is: 197,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,207.17 : 345,310.55 = 142,793.37 : x
  2. Step 2: Convert to fraction form
    250,207.17/345,310.55 = 142,793.37/x
  3. Step 3: Cross multiply
    250,207.17x = 345,310.55 × 142,793.37
  4. Step 4: Simplify right side
    250,207.17x = 49,308,056,417.09
  5. Step 5: Solve for x
    x = 49,308,056,417.09/250,207.17
  6. Step 6: Final answer
    x = 197,068.92

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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.