Home / 133,784.60-184,596.72-79,326.68

Finding the Fourth Proportional to 133,784.60, 184,596.72 and 79,326.68

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Solution

The fourth proportional to 133,784.60, 184,596.72 and 79,326.68 is: 109,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,784.60 : 184,596.72 = 79,326.68 : x
  2. Step 2: Convert to fraction form
    133,784.60/184,596.72 = 79,326.68/x
  3. Step 3: Cross multiply
    133,784.60x = 184,596.72 × 79,326.68
  4. Step 4: Simplify right side
    133,784.60x = 14,643,444,936.49
  5. Step 5: Solve for x
    x = 14,643,444,936.49/133,784.60
  6. Step 6: Final answer
    x = 109,455.39

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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.