Home / 171,651.12-257,547.75-92,672.47

Finding the Fourth Proportional to 171,651.12, 257,547.75 and 92,672.47

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Solution

The fourth proportional to 171,651.12, 257,547.75 and 92,672.47 is: 139,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,651.12 : 257,547.75 = 92,672.47 : x
  2. Step 2: Convert to fraction form
    171,651.12/257,547.75 = 92,672.47/x
  3. Step 3: Cross multiply
    171,651.12x = 257,547.75 × 92,672.47
  4. Step 4: Simplify right side
    171,651.12x = 23,867,586,135.44
  5. Step 5: Solve for x
    x = 23,867,586,135.44/171,651.12
  6. Step 6: Final answer
    x = 139,047.07

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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.