Home / 184,998.78-255,298.77-100,116.45

Finding the Fourth Proportional to 184,998.78, 255,298.77 and 100,116.45

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Solution

The fourth proportional to 184,998.78, 255,298.77 and 100,116.45 is: 138,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,998.78 : 255,298.77 = 100,116.45 : x
  2. Step 2: Convert to fraction form
    184,998.78/255,298.77 = 100,116.45/x
  3. Step 3: Cross multiply
    184,998.78x = 255,298.77 × 100,116.45
  4. Step 4: Simplify right side
    184,998.78x = 25,559,606,541.77
  5. Step 5: Solve for x
    x = 25,559,606,541.77/184,998.78
  6. Step 6: Final answer
    x = 138,160.95

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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.