Home / 133,675.69-184,460.19-77,076.13

Finding the Fourth Proportional to 133,675.69, 184,460.19 and 77,076.13

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Solution

The fourth proportional to 133,675.69, 184,460.19 and 77,076.13 is: 106,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,675.69 : 184,460.19 = 77,076.13 : x
  2. Step 2: Convert to fraction form
    133,675.69/184,460.19 = 77,076.13/x
  3. Step 3: Cross multiply
    133,675.69x = 184,460.19 × 77,076.13
  4. Step 4: Simplify right side
    133,675.69x = 14,217,477,198.88
  5. Step 5: Solve for x
    x = 14,217,477,198.88/133,675.69
  6. Step 6: Final answer
    x = 106,357.99

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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.