Home / 133,008.82-183,552.63-72,580.79

Finding the Fourth Proportional to 133,008.82, 183,552.63 and 72,580.79

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Solution

The fourth proportional to 133,008.82, 183,552.63 and 72,580.79 is: 100,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,008.82 : 183,552.63 = 72,580.79 : x
  2. Step 2: Convert to fraction form
    133,008.82/183,552.63 = 72,580.79/x
  3. Step 3: Cross multiply
    133,008.82x = 183,552.63 × 72,580.79
  4. Step 4: Simplify right side
    133,008.82x = 13,322,395,486.95
  5. Step 5: Solve for x
    x = 13,322,395,486.95/133,008.82
  6. Step 6: Final answer
    x = 100,161.75

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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.