Home / 185,077.15-255,406.53-100,194.19

Finding the Fourth Proportional to 185,077.15, 255,406.53 and 100,194.19

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Solution

The fourth proportional to 185,077.15, 255,406.53 and 100,194.19 is: 138,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,077.15 : 255,406.53 = 100,194.19 : x
  2. Step 2: Convert to fraction form
    185,077.15/255,406.53 = 100,194.19/x
  3. Step 3: Cross multiply
    185,077.15x = 255,406.53 × 100,194.19
  4. Step 4: Simplify right side
    185,077.15x = 25,590,250,394.06
  5. Step 5: Solve for x
    x = 25,590,250,394.06/185,077.15
  6. Step 6: Final answer
    x = 138,268.02

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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.