Home / 185,634.09-256,175.19-100,751.13

Finding the Fourth Proportional to 185,634.09, 256,175.19 and 100,751.13

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Solution

The fourth proportional to 185,634.09, 256,175.19 and 100,751.13 is: 139,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,634.09 : 256,175.19 = 100,751.13 : x
  2. Step 2: Convert to fraction form
    185,634.09/256,175.19 = 100,751.13/x
  3. Step 3: Cross multiply
    185,634.09x = 256,175.19 × 100,751.13
  4. Step 4: Simplify right side
    185,634.09x = 25,809,939,870.46
  5. Step 5: Solve for x
    x = 25,809,939,870.46/185,634.09
  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.