Home / 133,308.12-183,982.48-75,968.16

Finding the Fourth Proportional to 133,308.12, 183,982.48 and 75,968.16

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Solution

The fourth proportional to 133,308.12, 183,982.48 and 75,968.16 is: 104,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,308.12 : 183,982.48 = 75,968.16 : x
  2. Step 2: Convert to fraction form
    133,308.12/183,982.48 = 75,968.16/x
  3. Step 3: Cross multiply
    133,308.12x = 183,982.48 × 75,968.16
  4. Step 4: Simplify right side
    133,308.12x = 13,976,810,477.84
  5. Step 5: Solve for x
    x = 13,976,810,477.84/133,308.12
  6. Step 6: Final answer
    x = 104,845.90

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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.