Home / 172,287.09-257,877.69-92,124.83

Finding the Fourth Proportional to 172,287.09, 257,877.69 and 92,124.83

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Solution

The fourth proportional to 172,287.09, 257,877.69 and 92,124.83 is: 137,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,287.09 : 257,877.69 = 92,124.83 : x
  2. Step 2: Convert to fraction form
    172,287.09/257,877.69 = 92,124.83/x
  3. Step 3: Cross multiply
    172,287.09x = 257,877.69 × 92,124.83
  4. Step 4: Simplify right side
    172,287.09x = 23,756,937,062.65
  5. Step 5: Solve for x
    x = 23,756,937,062.65/172,287.09
  6. Step 6: Final answer
    x = 137,891.57

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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.