Home / 133,690.57-184,474.93-76,326.24

Finding the Fourth Proportional to 133,690.57, 184,474.93 and 76,326.24

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Solution

The fourth proportional to 133,690.57, 184,474.93 and 76,326.24 is: 105,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,690.57 : 184,474.93 = 76,326.24 : x
  2. Step 2: Convert to fraction form
    133,690.57/184,474.93 = 76,326.24/x
  3. Step 3: Cross multiply
    133,690.57x = 184,474.93 × 76,326.24
  4. Step 4: Simplify right side
    133,690.57x = 14,080,277,399.53
  5. Step 5: Solve for x
    x = 14,080,277,399.53/133,690.57
  6. Step 6: Final answer
    x = 105,319.90

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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.