Home / 133,557.93-184,308.21-76,195.76

Finding the Fourth Proportional to 133,557.93, 184,308.21 and 76,195.76

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Solution

The fourth proportional to 133,557.93, 184,308.21 and 76,195.76 is: 105,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,557.93 : 184,308.21 = 76,195.76 : x
  2. Step 2: Convert to fraction form
    133,557.93/184,308.21 = 76,195.76/x
  3. Step 3: Cross multiply
    133,557.93x = 184,308.21 × 76,195.76
  4. Step 4: Simplify right side
    133,557.93x = 14,043,503,213.65
  5. Step 5: Solve for x
    x = 14,043,503,213.65/133,557.93
  6. Step 6: Final answer
    x = 105,149.15

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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.