Home / 133,010.11-183,548.24-72,579.25

Finding the Fourth Proportional to 133,010.11, 183,548.24 and 72,579.25

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Solution

The fourth proportional to 133,010.11, 183,548.24 and 72,579.25 is: 100,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,010.11 : 183,548.24 = 72,579.25 : x
  2. Step 2: Convert to fraction form
    133,010.11/183,548.24 = 72,579.25/x
  3. Step 3: Cross multiply
    133,010.11x = 183,548.24 × 72,579.25
  4. Step 4: Simplify right side
    133,010.11x = 13,321,792,680.28
  5. Step 5: Solve for x
    x = 13,321,792,680.28/133,010.11
  6. Step 6: Final answer
    x = 100,156.25

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1.5x scale

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.