Home / 211,592.14-317,390.32-53,820.62

Finding the Fourth Proportional to 211,592.14, 317,390.32 and 53,820.62

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Solution

The fourth proportional to 211,592.14, 317,390.32 and 53,820.62 is: 80,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,592.14 : 317,390.32 = 53,820.62 : x
  2. Step 2: Convert to fraction form
    211,592.14/317,390.32 = 53,820.62/x
  3. Step 3: Cross multiply
    211,592.14x = 317,390.32 × 53,820.62
  4. Step 4: Simplify right side
    211,592.14x = 17,082,143,804.40
  5. Step 5: Solve for x
    x = 17,082,143,804.40/211,592.14
  6. Step 6: Final answer
    x = 80,731.47

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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.