Home / 315,982.89-473,875.70-105,571.62

Finding the Fourth Proportional to 315,982.89, 473,875.70 and 105,571.62

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Solution

The fourth proportional to 315,982.89, 473,875.70 and 105,571.62 is: 158,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,982.89 : 473,875.70 = 105,571.62 : x
  2. Step 2: Convert to fraction form
    315,982.89/473,875.70 = 105,571.62/x
  3. Step 3: Cross multiply
    315,982.89x = 473,875.70 × 105,571.62
  4. Step 4: Simplify right side
    315,982.89x = 50,027,824,799.78
  5. Step 5: Solve for x
    x = 50,027,824,799.78/315,982.89
  6. Step 6: Final answer
    x = 158,324.47

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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.