Home / 185,073.44-255,402.17-100,190.50

Finding the Fourth Proportional to 185,073.44, 255,402.17 and 100,190.50

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Solution

The fourth proportional to 185,073.44, 255,402.17 and 100,190.50 is: 138,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,073.44 : 255,402.17 = 100,190.50 : x
  2. Step 2: Convert to fraction form
    185,073.44/255,402.17 = 100,190.50/x
  3. Step 3: Cross multiply
    185,073.44x = 255,402.17 × 100,190.50
  4. Step 4: Simplify right side
    185,073.44x = 25,588,870,349.64
  5. Step 5: Solve for x
    x = 25,588,870,349.64/185,073.44
  6. Step 6: Final answer
    x = 138,263.34

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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.