Home / 311,956.30-430,499.69-168,716.34

Finding the Fourth Proportional to 311,956.30, 430,499.69 and 168,716.34

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Solution

The fourth proportional to 311,956.30, 430,499.69 and 168,716.34 is: 232,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,956.30 : 430,499.69 = 168,716.34 : x
  2. Step 2: Convert to fraction form
    311,956.30/430,499.69 = 168,716.34/x
  3. Step 3: Cross multiply
    311,956.30x = 430,499.69 × 168,716.34
  4. Step 4: Simplify right side
    311,956.30x = 72,632,330,817.03
  5. Step 5: Solve for x
    x = 72,632,330,817.03/311,956.30
  6. Step 6: Final answer
    x = 232,828.55

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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.