Home / 133,621.96-184,352.52-76,220.02

Finding the Fourth Proportional to 133,621.96, 184,352.52 and 76,220.02

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Solution

The fourth proportional to 133,621.96, 184,352.52 and 76,220.02 is: 105,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,621.96 : 184,352.52 = 76,220.02 : x
  2. Step 2: Convert to fraction form
    133,621.96/184,352.52 = 76,220.02/x
  3. Step 3: Cross multiply
    133,621.96x = 184,352.52 × 76,220.02
  4. Step 4: Simplify right side
    133,621.96x = 14,051,352,761.45
  5. Step 5: Solve for x
    x = 14,051,352,761.45/133,621.96
  6. Step 6: Final answer
    x = 105,157.51

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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.