Home / 280,001.60-386,402.40-152,677.44

Finding the Fourth Proportional to 280,001.60, 386,402.40 and 152,677.44

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Solution

The fourth proportional to 280,001.60, 386,402.40 and 152,677.44 is: 210,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,001.60 : 386,402.40 = 152,677.44 : x
  2. Step 2: Convert to fraction form
    280,001.60/386,402.40 = 152,677.44/x
  3. Step 3: Cross multiply
    280,001.60x = 386,402.40 × 152,677.44
  4. Step 4: Simplify right side
    280,001.60x = 58,994,929,241.86
  5. Step 5: Solve for x
    x = 58,994,929,241.86/280,001.60
  6. Step 6: Final answer
    x = 210,694.97

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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.