Home / 280,198.44-386,675.10-152,876.70

Finding the Fourth Proportional to 280,198.44, 386,675.10 and 152,876.70

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Solution

The fourth proportional to 280,198.44, 386,675.10 and 152,876.70 is: 210,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,198.44 : 386,675.10 = 152,876.70 : x
  2. Step 2: Convert to fraction form
    280,198.44/386,675.10 = 152,876.70/x
  3. Step 3: Cross multiply
    280,198.44x = 386,675.10 × 152,876.70
  4. Step 4: Simplify right side
    280,198.44x = 59,113,613,260.17
  5. Step 5: Solve for x
    x = 59,113,613,260.17/280,198.44
  6. Step 6: Final answer
    x = 210,970.53

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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.