Home / 133,368.12-184,040.56-72,926.76

Finding the Fourth Proportional to 133,368.12, 184,040.56 and 72,926.76

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Solution

The fourth proportional to 133,368.12, 184,040.56 and 72,926.76 is: 100,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,368.12 : 184,040.56 = 72,926.76 : x
  2. Step 2: Convert to fraction form
    133,368.12/184,040.56 = 72,926.76/x
  3. Step 3: Cross multiply
    133,368.12x = 184,040.56 × 72,926.76
  4. Step 4: Simplify right side
    133,368.12x = 13,421,481,749.39
  5. Step 5: Solve for x
    x = 13,421,481,749.39/133,368.12
  6. Step 6: Final answer
    x = 100,634.86

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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.