Home / 255,921.77-353,171.04-141,207.55

Finding the Fourth Proportional to 255,921.77, 353,171.04 and 141,207.55

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Solution

The fourth proportional to 255,921.77, 353,171.04 and 141,207.55 is: 194,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,921.77 : 353,171.04 = 141,207.55 : x
  2. Step 2: Convert to fraction form
    255,921.77/353,171.04 = 141,207.55/x
  3. Step 3: Cross multiply
    255,921.77x = 353,171.04 × 141,207.55
  4. Step 4: Simplify right side
    255,921.77x = 49,870,417,289.35
  5. Step 5: Solve for x
    x = 49,870,417,289.35/255,921.77
  6. Step 6: Final answer
    x = 194,865.87

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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.