Home / 176,125.35-263,971.52-81,223.79

Finding the Fourth Proportional to 176,125.35, 263,971.52 and 81,223.79

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Solution

The fourth proportional to 176,125.35, 263,971.52 and 81,223.79 is: 121,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,125.35 : 263,971.52 = 81,223.79 : x
  2. Step 2: Convert to fraction form
    176,125.35/263,971.52 = 81,223.79/x
  3. Step 3: Cross multiply
    176,125.35x = 263,971.52 × 81,223.79
  4. Step 4: Simplify right side
    176,125.35x = 21,440,767,864.86
  5. Step 5: Solve for x
    x = 21,440,767,864.86/176,125.35
  6. Step 6: Final answer
    x = 121,735.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.