Home / 133,517.04-184,251.86-72,261.80

Finding the Fourth Proportional to 133,517.04, 184,251.86 and 72,261.80

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Solution

The fourth proportional to 133,517.04, 184,251.86 and 72,261.80 is: 99,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,517.04 : 184,251.86 = 72,261.80 : x
  2. Step 2: Convert to fraction form
    133,517.04/184,251.86 = 72,261.80/x
  3. Step 3: Cross multiply
    133,517.04x = 184,251.86 × 72,261.80
  4. Step 4: Simplify right side
    133,517.04x = 13,314,371,056.95
  5. Step 5: Solve for x
    x = 13,314,371,056.95/133,517.04
  6. Step 6: Final answer
    x = 99,720.39

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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.