Home / 312,173.73-430,799.73-168,933.78

Finding the Fourth Proportional to 312,173.73, 430,799.73 and 168,933.78

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Solution

The fourth proportional to 312,173.73, 430,799.73 and 168,933.78 is: 233,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,173.73 : 430,799.73 = 168,933.78 : x
  2. Step 2: Convert to fraction form
    312,173.73/430,799.73 = 168,933.78/x
  3. Step 3: Cross multiply
    312,173.73x = 430,799.73 × 168,933.78
  4. Step 4: Simplify right side
    312,173.73x = 72,776,626,811.88
  5. Step 5: Solve for x
    x = 72,776,626,811.88/312,173.73
  6. Step 6: Final answer
    x = 233,128.61

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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.