Home / 133,724.38-184,567.08-77,128.06

Finding the Fourth Proportional to 133,724.38, 184,567.08 and 77,128.06

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Solution

The fourth proportional to 133,724.38, 184,567.08 and 77,128.06 is: 106,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,724.38 : 184,567.08 = 77,128.06 : x
  2. Step 2: Convert to fraction form
    133,724.38/184,567.08 = 77,128.06/x
  3. Step 3: Cross multiply
    133,724.38x = 184,567.08 × 77,128.06
  4. Step 4: Simplify right side
    133,724.38x = 14,235,300,820.26
  5. Step 5: Solve for x
    x = 14,235,300,820.26/133,724.38
  6. Step 6: Final answer
    x = 106,452.55

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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.