Home / 185,608.26-256,139.56-100,725.32

Finding the Fourth Proportional to 185,608.26, 256,139.56 and 100,725.32

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Solution

The fourth proportional to 185,608.26, 256,139.56 and 100,725.32 is: 139,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,608.26 : 256,139.56 = 100,725.32 : x
  2. Step 2: Convert to fraction form
    185,608.26/256,139.56 = 100,725.32/x
  3. Step 3: Cross multiply
    185,608.26x = 256,139.56 × 100,725.32
  4. Step 4: Simplify right side
    185,608.26x = 25,799,739,145.66
  5. Step 5: Solve for x
    x = 25,799,739,145.66/185,608.26
  6. Step 6: Final answer
    x = 139,001.03

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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.