Home / 292,022.64-436,699.44-212,328.36

Finding the Fourth Proportional to 292,022.64, 436,699.44 and 212,328.36

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Solution

The fourth proportional to 292,022.64, 436,699.44 and 212,328.36 is: 317,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,022.64 : 436,699.44 = 212,328.36 : x
  2. Step 2: Convert to fraction form
    292,022.64/436,699.44 = 212,328.36/x
  3. Step 3: Cross multiply
    292,022.64x = 436,699.44 × 212,328.36
  4. Step 4: Simplify right side
    292,022.64x = 92,723,675,908.12
  5. Step 5: Solve for x
    x = 92,723,675,908.12/292,022.64
  6. Step 6: Final answer
    x = 317,522.22

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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.