Home / 185,634.08-256,175.20-100,751.12

Finding the Fourth Proportional to 185,634.08, 256,175.20 and 100,751.12

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Solution

The fourth proportional to 185,634.08, 256,175.20 and 100,751.12 is: 139,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,634.08 : 256,175.20 = 100,751.12 : x
  2. Step 2: Convert to fraction form
    185,634.08/256,175.20 = 100,751.12/x
  3. Step 3: Cross multiply
    185,634.08x = 256,175.20 × 100,751.12
  4. Step 4: Simplify right side
    185,634.08x = 25,809,938,316.22
  5. Step 5: Solve for x
    x = 25,809,938,316.22/185,634.08
  6. Step 6: Final answer
    x = 139,036.64

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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.