Home / 185,015.36-255,261.60-113,320.64

Finding the Fourth Proportional to 185,015.36, 255,261.60 and 113,320.64

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Solution

The fourth proportional to 185,015.36, 255,261.60 and 113,320.64 is: 156,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,015.36 : 255,261.60 = 113,320.64 : x
  2. Step 2: Convert to fraction form
    185,015.36/255,261.60 = 113,320.64/x
  3. Step 3: Cross multiply
    185,015.36x = 255,261.60 × 113,320.64
  4. Step 4: Simplify right side
    185,015.36x = 28,926,407,879.42
  5. Step 5: Solve for x
    x = 28,926,407,879.42/185,015.36
  6. Step 6: Final answer
    x = 156,345.98

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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.