Home / 255,311.41-352,323.39-140,589.16

Finding the Fourth Proportional to 255,311.41, 352,323.39 and 140,589.16

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Solution

The fourth proportional to 255,311.41, 352,323.39 and 140,589.16 is: 194,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,311.41 : 352,323.39 = 140,589.16 : x
  2. Step 2: Convert to fraction form
    255,311.41/352,323.39 = 140,589.16/x
  3. Step 3: Cross multiply
    255,311.41x = 352,323.39 × 140,589.16
  4. Step 4: Simplify right side
    255,311.41x = 49,532,849,448.45
  5. Step 5: Solve for x
    x = 49,532,849,448.45/255,311.41
  6. Step 6: Final answer
    x = 194,009.54

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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.