Home / 184,811.28-255,039.98-99,928.68

Finding the Fourth Proportional to 184,811.28, 255,039.98 and 99,928.68

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Solution

The fourth proportional to 184,811.28, 255,039.98 and 99,928.68 is: 137,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,811.28 : 255,039.98 = 99,928.68 : x
  2. Step 2: Convert to fraction form
    184,811.28/255,039.98 = 99,928.68/x
  3. Step 3: Cross multiply
    184,811.28x = 255,039.98 × 99,928.68
  4. Step 4: Simplify right side
    184,811.28x = 25,485,808,548.63
  5. Step 5: Solve for x
    x = 25,485,808,548.63/184,811.28
  6. Step 6: Final answer
    x = 137,901.80

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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.