Home / 133,829.92-184,679.04-77,259.52

Finding the Fourth Proportional to 133,829.92, 184,679.04 and 77,259.52

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Solution

The fourth proportional to 133,829.92, 184,679.04 and 77,259.52 is: 106,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,829.92 : 184,679.04 = 77,259.52 : x
  2. Step 2: Convert to fraction form
    133,829.92/184,679.04 = 77,259.52/x
  3. Step 3: Cross multiply
    133,829.92x = 184,679.04 × 77,259.52
  4. Step 4: Simplify right side
    133,829.92x = 14,268,213,984.46
  5. Step 5: Solve for x
    x = 14,268,213,984.46/133,829.92
  6. Step 6: Final answer
    x = 106,614.53

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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.