Home / 293,689.42-405,283.53-172,837.83

Finding the Fourth Proportional to 293,689.42, 405,283.53 and 172,837.83

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Solution

The fourth proportional to 293,689.42, 405,283.53 and 172,837.83 is: 238,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,689.42 : 405,283.53 = 172,837.83 : x
  2. Step 2: Convert to fraction form
    293,689.42/405,283.53 = 172,837.83/x
  3. Step 3: Cross multiply
    293,689.42x = 405,283.53 × 172,837.83
  4. Step 4: Simplify right side
    293,689.42x = 70,048,323,691.98
  5. Step 5: Solve for x
    x = 70,048,323,691.98/293,689.42
  6. Step 6: Final answer
    x = 238,511.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.