Home / 185,199.33-255,575.43-100,316.46

Finding the Fourth Proportional to 185,199.33, 255,575.43 and 100,316.46

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Solution

The fourth proportional to 185,199.33, 255,575.43 and 100,316.46 is: 138,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,199.33 : 255,575.43 = 100,316.46 : x
  2. Step 2: Convert to fraction form
    185,199.33/255,575.43 = 100,316.46/x
  3. Step 3: Cross multiply
    185,199.33x = 255,575.43 × 100,316.46
  4. Step 4: Simplify right side
    185,199.33x = 25,638,422,400.58
  5. Step 5: Solve for x
    x = 25,638,422,400.58/185,199.33
  6. Step 6: Final answer
    x = 138,436.91

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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.