Home / 308,060.07-425,118.20-172,095.96

Finding the Fourth Proportional to 308,060.07, 425,118.20 and 172,095.96

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Solution

The fourth proportional to 308,060.07, 425,118.20 and 172,095.96 is: 237,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,060.07 : 425,118.20 = 172,095.96 : x
  2. Step 2: Convert to fraction form
    308,060.07/425,118.20 = 172,095.96/x
  3. Step 3: Cross multiply
    308,060.07x = 425,118.20 × 172,095.96
  4. Step 4: Simplify right side
    308,060.07x = 73,161,124,742.47
  5. Step 5: Solve for x
    x = 73,161,124,742.47/308,060.07
  6. Step 6: Final answer
    x = 237,489.80

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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.