Home / 133,073.88-183,679.02-76,503.48

Finding the Fourth Proportional to 133,073.88, 183,679.02 and 76,503.48

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Solution

The fourth proportional to 133,073.88, 183,679.02 and 76,503.48 is: 105,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.88 : 183,679.02 = 76,503.48 : x
  2. Step 2: Convert to fraction form
    133,073.88/183,679.02 = 76,503.48/x
  3. Step 3: Cross multiply
    133,073.88x = 183,679.02 × 76,503.48
  4. Step 4: Simplify right side
    133,073.88x = 14,052,084,232.99
  5. Step 5: Solve for x
    x = 14,052,084,232.99/133,073.88
  6. Step 6: Final answer
    x = 105,596.11

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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.