Home / 133,828.38-184,683.16-74,212.38

Finding the Fourth Proportional to 133,828.38, 184,683.16 and 74,212.38

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Solution

The fourth proportional to 133,828.38, 184,683.16 and 74,212.38 is: 102,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,828.38 : 184,683.16 = 74,212.38 : x
  2. Step 2: Convert to fraction form
    133,828.38/184,683.16 = 74,212.38/x
  3. Step 3: Cross multiply
    133,828.38x = 184,683.16 × 74,212.38
  4. Step 4: Simplify right side
    133,828.38x = 13,705,776,849.52
  5. Step 5: Solve for x
    x = 13,705,776,849.52/133,828.38
  6. Step 6: Final answer
    x = 102,413.08

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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.