Home / 133,219.44-183,837.36-72,792.16

Finding the Fourth Proportional to 133,219.44, 183,837.36 and 72,792.16

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Solution

The fourth proportional to 133,219.44, 183,837.36 and 72,792.16 is: 100,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,219.44 : 183,837.36 = 72,792.16 : x
  2. Step 2: Convert to fraction form
    133,219.44/183,837.36 = 72,792.16/x
  3. Step 3: Cross multiply
    133,219.44x = 183,837.36 × 72,792.16
  4. Step 4: Simplify right side
    133,219.44x = 13,381,918,523.10
  5. Step 5: Solve for x
    x = 13,381,918,523.10/133,219.44
  6. Step 6: Final answer
    x = 100,450.19

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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.