Home / 257,707.27-386,468.26-89,181.84

Finding the Fourth Proportional to 257,707.27, 386,468.26 and 89,181.84

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Solution

The fourth proportional to 257,707.27, 386,468.26 and 89,181.84 is: 133,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,707.27 : 386,468.26 = 89,181.84 : x
  2. Step 2: Convert to fraction form
    257,707.27/386,468.26 = 89,181.84/x
  3. Step 3: Cross multiply
    257,707.27x = 386,468.26 × 89,181.84
  4. Step 4: Simplify right side
    257,707.27x = 34,465,948,995.52
  5. Step 5: Solve for x
    x = 34,465,948,995.52/257,707.27
  6. Step 6: Final answer
    x = 133,740.69

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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.