Home / 133,232.31-183,861.07-72,802.95

Finding the Fourth Proportional to 133,232.31, 183,861.07 and 72,802.95

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Solution

The fourth proportional to 133,232.31, 183,861.07 and 72,802.95 is: 100,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,232.31 : 183,861.07 = 72,802.95 : x
  2. Step 2: Convert to fraction form
    133,232.31/183,861.07 = 72,802.95/x
  3. Step 3: Cross multiply
    133,232.31x = 183,861.07 × 72,802.95
  4. Step 4: Simplify right side
    133,232.31x = 13,385,627,414.67
  5. Step 5: Solve for x
    x = 13,385,627,414.67/133,232.31
  6. Step 6: Final answer
    x = 100,468.33

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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.