Home / 257,192.61-386,037.92-124,166.24

Finding the Fourth Proportional to 257,192.61, 386,037.92 and 124,166.24

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Solution

The fourth proportional to 257,192.61, 386,037.92 and 124,166.24 is: 186,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,192.61 : 386,037.92 = 124,166.24 : x
  2. Step 2: Convert to fraction form
    257,192.61/386,037.92 = 124,166.24/x
  3. Step 3: Cross multiply
    257,192.61x = 386,037.92 × 124,166.24
  4. Step 4: Simplify right side
    257,192.61x = 47,932,877,023.82
  5. Step 5: Solve for x
    x = 47,932,877,023.82/257,192.61
  6. Step 6: Final answer
    x = 186,369.57

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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.