Home / 133,480.32-184,242.24-76,931.52

Finding the Fourth Proportional to 133,480.32, 184,242.24 and 76,931.52

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Solution

The fourth proportional to 133,480.32, 184,242.24 and 76,931.52 is: 106,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,480.32 : 184,242.24 = 76,931.52 : x
  2. Step 2: Convert to fraction form
    133,480.32/184,242.24 = 76,931.52/x
  3. Step 3: Cross multiply
    133,480.32x = 184,242.24 × 76,931.52
  4. Step 4: Simplify right side
    133,480.32x = 14,174,035,571.40
  5. Step 5: Solve for x
    x = 14,174,035,571.40/133,480.32
  6. Step 6: Final answer
    x = 106,188.20

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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.