Home / 257,627.40-386,261.10-152,392.20

Finding the Fourth Proportional to 257,627.40, 386,261.10 and 152,392.20

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Solution

The fourth proportional to 257,627.40, 386,261.10 and 152,392.20 is: 228,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,627.40 : 386,261.10 = 152,392.20 : x
  2. Step 2: Convert to fraction form
    257,627.40/386,261.10 = 152,392.20/x
  3. Step 3: Cross multiply
    257,627.40x = 386,261.10 × 152,392.20
  4. Step 4: Simplify right side
    257,627.40x = 58,863,178,803.42
  5. Step 5: Solve for x
    x = 58,863,178,803.42/257,627.40
  6. Step 6: Final answer
    x = 228,481.83

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1.5x scale

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.