Home / 319,174.22-478,598.16-105,865.14

Finding the Fourth Proportional to 319,174.22, 478,598.16 and 105,865.14

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Solution

The fourth proportional to 319,174.22, 478,598.16 and 105,865.14 is: 158,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,174.22 : 478,598.16 = 105,865.14 : x
  2. Step 2: Convert to fraction form
    319,174.22/478,598.16 = 105,865.14/x
  3. Step 3: Cross multiply
    319,174.22x = 478,598.16 × 105,865.14
  4. Step 4: Simplify right side
    319,174.22x = 50,666,861,212.14
  5. Step 5: Solve for x
    x = 50,666,861,212.14/319,174.22
  6. Step 6: Final answer
    x = 158,743.59

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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.