Home / 133,040.16-183,593.98-72,610.31

Finding the Fourth Proportional to 133,040.16, 183,593.98 and 72,610.31

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Solution

The fourth proportional to 133,040.16, 183,593.98 and 72,610.31 is: 100,201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.16 : 183,593.98 = 72,610.31 : x
  2. Step 2: Convert to fraction form
    133,040.16/183,593.98 = 72,610.31/x
  3. Step 3: Cross multiply
    133,040.16x = 183,593.98 × 72,610.31
  4. Step 4: Simplify right side
    133,040.16x = 13,330,815,801.93
  5. Step 5: Solve for x
    x = 13,330,815,801.93/133,040.16
  6. Step 6: Final answer
    x = 100,201.44

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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.