Home / 311,824.14-430,317.34-168,584.14

Finding the Fourth Proportional to 311,824.14, 430,317.34 and 168,584.14

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Solution

The fourth proportional to 311,824.14, 430,317.34 and 168,584.14 is: 232,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,824.14 : 430,317.34 = 168,584.14 : x
  2. Step 2: Convert to fraction form
    311,824.14/430,317.34 = 168,584.14/x
  3. Step 3: Cross multiply
    311,824.14x = 430,317.34 × 168,584.14
  4. Step 4: Simplify right side
    311,824.14x = 72,544,678,690.99
  5. Step 5: Solve for x
    x = 72,544,678,690.99/311,824.14
  6. Step 6: Final answer
    x = 232,646.13

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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.