Home / 133,076.88-183,683.16-76,506.48

Finding the Fourth Proportional to 133,076.88, 183,683.16 and 76,506.48

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Solution

The fourth proportional to 133,076.88, 183,683.16 and 76,506.48 is: 105,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.88 : 183,683.16 = 76,506.48 : x
  2. Step 2: Convert to fraction form
    133,076.88/183,683.16 = 76,506.48/x
  3. Step 3: Cross multiply
    133,076.88x = 183,683.16 × 76,506.48
  4. Step 4: Simplify right side
    133,076.88x = 14,052,952,006.88
  5. Step 5: Solve for x
    x = 14,052,952,006.88/133,076.88
  6. Step 6: Final answer
    x = 105,600.25

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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.