Home / 312,173.58-430,799.52-168,933.61

Finding the Fourth Proportional to 312,173.58, 430,799.52 and 168,933.61

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Solution

The fourth proportional to 312,173.58, 430,799.52 and 168,933.61 is: 233,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,173.58 : 430,799.52 = 168,933.61 : x
  2. Step 2: Convert to fraction form
    312,173.58/430,799.52 = 168,933.61/x
  3. Step 3: Cross multiply
    312,173.58x = 430,799.52 × 168,933.61
  4. Step 4: Simplify right side
    312,173.58x = 72,776,518,099.87
  5. Step 5: Solve for x
    x = 72,776,518,099.87/312,173.58
  6. Step 6: Final answer
    x = 233,128.37

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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.