Home / 185,284.46-255,593.78-112,709.55

Finding the Fourth Proportional to 185,284.46, 255,593.78 and 112,709.55

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Solution

The fourth proportional to 185,284.46, 255,593.78 and 112,709.55 is: 155,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,284.46 : 255,593.78 = 112,709.55 : x
  2. Step 2: Convert to fraction form
    185,284.46/255,593.78 = 112,709.55/x
  3. Step 3: Cross multiply
    185,284.46x = 255,593.78 × 112,709.55
  4. Step 4: Simplify right side
    185,284.46x = 28,807,860,025.33
  5. Step 5: Solve for x
    x = 28,807,860,025.33/185,284.46
  6. Step 6: Final answer
    x = 155,479.09

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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.