Home / 184,856.48-255,199.92-142,321.76

Finding the Fourth Proportional to 184,856.48, 255,199.92 and 142,321.76

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Solution

The fourth proportional to 184,856.48, 255,199.92 and 142,321.76 is: 196,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,856.48 : 255,199.92 = 142,321.76 : x
  2. Step 2: Convert to fraction form
    184,856.48/255,199.92 = 142,321.76/x
  3. Step 3: Cross multiply
    184,856.48x = 255,199.92 × 142,321.76
  4. Step 4: Simplify right side
    184,856.48x = 36,320,501,766.26
  5. Step 5: Solve for x
    x = 36,320,501,766.26/184,856.48
  6. Step 6: Final answer
    x = 196,479.46

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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.