Home / 255,016.04-351,917.24-140,287.98

Finding the Fourth Proportional to 255,016.04, 351,917.24 and 140,287.98

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Solution

The fourth proportional to 255,016.04, 351,917.24 and 140,287.98 is: 193,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,016.04 : 351,917.24 = 140,287.98 : x
  2. Step 2: Convert to fraction form
    255,016.04/351,917.24 = 140,287.98/x
  3. Step 3: Cross multiply
    255,016.04x = 351,917.24 × 140,287.98
  4. Step 4: Simplify right side
    255,016.04x = 49,369,756,265.75
  5. Step 5: Solve for x
    x = 49,369,756,265.75/255,016.04
  6. Step 6: Final answer
    x = 193,594.71

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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.