Home / 185,181.89-255,551.00-100,298.97

Finding the Fourth Proportional to 185,181.89, 255,551.00 and 100,298.97

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Solution

The fourth proportional to 185,181.89, 255,551.00 and 100,298.97 is: 138,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,181.89 : 255,551.00 = 100,298.97 : x
  2. Step 2: Convert to fraction form
    185,181.89/255,551.00 = 100,298.97/x
  3. Step 3: Cross multiply
    185,181.89x = 255,551.00 × 100,298.97
  4. Step 4: Simplify right side
    185,181.89x = 25,631,501,580.98
  5. Step 5: Solve for x
    x = 25,631,501,580.98/185,181.89
  6. Step 6: Final answer
    x = 138,412.58

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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.