Home / 133,780.12-184,624.86-74,164.12

Finding the Fourth Proportional to 133,780.12, 184,624.86 and 74,164.12

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Solution

The fourth proportional to 133,780.12, 184,624.86 and 74,164.12 is: 102,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,780.12 : 184,624.86 = 74,164.12 : x
  2. Step 2: Convert to fraction form
    133,780.12/184,624.86 = 74,164.12/x
  3. Step 3: Cross multiply
    133,780.12x = 184,624.86 × 74,164.12
  4. Step 4: Simplify right side
    133,780.12x = 13,692,540,272.02
  5. Step 5: Solve for x
    x = 13,692,540,272.02/133,780.12
  6. Step 6: Final answer
    x = 102,351.08

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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.