Home / 185,094.27-255,430.17-100,211.31

Finding the Fourth Proportional to 185,094.27, 255,430.17 and 100,211.31

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Solution

The fourth proportional to 185,094.27, 255,430.17 and 100,211.31 is: 138,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,094.27 : 255,430.17 = 100,211.31 : x
  2. Step 2: Convert to fraction form
    185,094.27/255,430.17 = 100,211.31/x
  3. Step 3: Cross multiply
    185,094.27x = 255,430.17 × 100,211.31
  4. Step 4: Simplify right side
    185,094.27x = 25,596,991,949.22
  5. Step 5: Solve for x
    x = 25,596,991,949.22/185,094.27
  6. Step 6: Final answer
    x = 138,291.65

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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.