Home / 319,593.06-479,572.76-130,018.43

Finding the Fourth Proportional to 319,593.06, 479,572.76 and 130,018.43

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Solution

The fourth proportional to 319,593.06, 479,572.76 and 130,018.43 is: 195,102.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,593.06 : 479,572.76 = 130,018.43 : x
  2. Step 2: Convert to fraction form
    319,593.06/479,572.76 = 130,018.43/x
  3. Step 3: Cross multiply
    319,593.06x = 479,572.76 × 130,018.43
  4. Step 4: Simplify right side
    319,593.06x = 62,353,297,874.81
  5. Step 5: Solve for x
    x = 62,353,297,874.81/319,593.06
  6. Step 6: Final answer
    x = 195,102.16

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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.