Home / 185,264.22-255,664.86-100,381.26

Finding the Fourth Proportional to 185,264.22, 255,664.86 and 100,381.26

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Solution

The fourth proportional to 185,264.22, 255,664.86 and 100,381.26 is: 138,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,264.22 : 255,664.86 = 100,381.26 : x
  2. Step 2: Convert to fraction form
    185,264.22/255,664.86 = 100,381.26/x
  3. Step 3: Cross multiply
    185,264.22x = 255,664.86 × 100,381.26
  4. Step 4: Simplify right side
    185,264.22x = 25,663,960,784.52
  5. Step 5: Solve for x
    x = 25,663,960,784.52/185,264.22
  6. Step 6: Final answer
    x = 138,526.27

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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.