Home / 185,242.98-255,636.37-100,360.05

Finding the Fourth Proportional to 185,242.98, 255,636.37 and 100,360.05

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Solution

The fourth proportional to 185,242.98, 255,636.37 and 100,360.05 is: 138,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,242.98 : 255,636.37 = 100,360.05 : x
  2. Step 2: Convert to fraction form
    185,242.98/255,636.37 = 100,360.05/x
  3. Step 3: Cross multiply
    185,242.98x = 255,636.37 × 100,360.05
  4. Step 4: Simplify right side
    185,242.98x = 25,655,678,041.83
  5. Step 5: Solve for x
    x = 25,655,678,041.83/185,242.98
  6. Step 6: Final answer
    x = 138,497.43

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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.