Home / 185,882.03-256,518.76-100,999.09

Finding the Fourth Proportional to 185,882.03, 256,518.76 and 100,999.09

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Solution

The fourth proportional to 185,882.03, 256,518.76 and 100,999.09 is: 139,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,882.03 : 256,518.76 = 100,999.09 : x
  2. Step 2: Convert to fraction form
    185,882.03/256,518.76 = 100,999.09/x
  3. Step 3: Cross multiply
    185,882.03x = 256,518.76 × 100,999.09
  4. Step 4: Simplify right side
    185,882.03x = 25,908,161,327.93
  5. Step 5: Solve for x
    x = 25,908,161,327.93/185,882.03
  6. Step 6: Final answer
    x = 139,379.59

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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.