Home / 185,433.06-255,897.77-100,550.12

Finding the Fourth Proportional to 185,433.06, 255,897.77 and 100,550.12

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Solution

The fourth proportional to 185,433.06, 255,897.77 and 100,550.12 is: 138,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,433.06 : 255,897.77 = 100,550.12 : x
  2. Step 2: Convert to fraction form
    185,433.06/255,897.77 = 100,550.12/x
  3. Step 3: Cross multiply
    185,433.06x = 255,897.77 × 100,550.12
  4. Step 4: Simplify right side
    185,433.06x = 25,730,550,978.48
  5. Step 5: Solve for x
    x = 25,730,550,978.48/185,433.06
  6. Step 6: Final answer
    x = 138,759.24

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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.