Home / 185,118.03-255,463.07-100,234.89

Finding the Fourth Proportional to 185,118.03, 255,463.07 and 100,234.89

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Solution

The fourth proportional to 185,118.03, 255,463.07 and 100,234.89 is: 138,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,118.03 : 255,463.07 = 100,234.89 : x
  2. Step 2: Convert to fraction form
    185,118.03/255,463.07 = 100,234.89/x
  3. Step 3: Cross multiply
    185,118.03x = 255,463.07 × 100,234.89
  4. Step 4: Simplify right side
    185,118.03x = 25,606,312,219.34
  5. Step 5: Solve for x
    x = 25,606,312,219.34/185,118.03
  6. Step 6: Final answer
    x = 138,324.25

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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.