Home / 403,192.68-556,405.38-250,173.96

Finding the Fourth Proportional to 403,192.68, 556,405.38 and 250,173.96

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Solution

The fourth proportional to 403,192.68, 556,405.38 and 250,173.96 is: 345,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,192.68 : 556,405.38 = 250,173.96 : x
  2. Step 2: Convert to fraction form
    403,192.68/556,405.38 = 250,173.96/x
  3. Step 3: Cross multiply
    403,192.68x = 556,405.38 × 250,173.96
  4. Step 4: Simplify right side
    403,192.68x = 139,198,137,279.91
  5. Step 5: Solve for x
    x = 139,198,137,279.91/403,192.68
  6. Step 6: Final answer
    x = 345,239.74

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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.