Home / 317,043.16-437,564.62-196,223.36

Finding the Fourth Proportional to 317,043.16, 437,564.62 and 196,223.36

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Solution

The fourth proportional to 317,043.16, 437,564.62 and 196,223.36 is: 270,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,043.16 : 437,564.62 = 196,223.36 : x
  2. Step 2: Convert to fraction form
    317,043.16/437,564.62 = 196,223.36/x
  3. Step 3: Cross multiply
    317,043.16x = 437,564.62 × 196,223.36
  4. Step 4: Simplify right side
    317,043.16x = 85,860,399,953.52
  5. Step 5: Solve for x
    x = 85,860,399,953.52/317,043.16
  6. Step 6: Final answer
    x = 270,816.12

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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.