Home / 257,207.94-386,060.40-124,181.64

Finding the Fourth Proportional to 257,207.94, 386,060.40 and 124,181.64

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Solution

The fourth proportional to 257,207.94, 386,060.40 and 124,181.64 is: 186,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,207.94 : 386,060.40 = 124,181.64 : x
  2. Step 2: Convert to fraction form
    257,207.94/386,060.40 = 124,181.64/x
  3. Step 3: Cross multiply
    257,207.94x = 386,060.40 × 124,181.64
  4. Step 4: Simplify right side
    257,207.94x = 47,941,613,611.06
  5. Step 5: Solve for x
    x = 47,941,613,611.06/257,207.94
  6. Step 6: Final answer
    x = 186,392.43

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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.