Home / 252,488.08-348,454.32-145,078.80

Finding the Fourth Proportional to 252,488.08, 348,454.32 and 145,078.80

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Solution

The fourth proportional to 252,488.08, 348,454.32 and 145,078.80 is: 200,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,488.08 : 348,454.32 = 145,078.80 : x
  2. Step 2: Convert to fraction form
    252,488.08/348,454.32 = 145,078.80/x
  3. Step 3: Cross multiply
    252,488.08x = 348,454.32 × 145,078.80
  4. Step 4: Simplify right side
    252,488.08x = 50,553,334,600.42
  5. Step 5: Solve for x
    x = 50,553,334,600.42/252,488.08
  6. Step 6: Final answer
    x = 200,220.68

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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.