Home / 317,133.52-437,644.38-173,890.60

Finding the Fourth Proportional to 317,133.52, 437,644.38 and 173,890.60

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Solution

The fourth proportional to 317,133.52, 437,644.38 and 173,890.60 is: 239,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,133.52 : 437,644.38 = 173,890.60 : x
  2. Step 2: Convert to fraction form
    317,133.52/437,644.38 = 173,890.60/x
  3. Step 3: Cross multiply
    317,133.52x = 437,644.38 × 173,890.60
  4. Step 4: Simplify right side
    317,133.52x = 76,102,243,824.83
  5. Step 5: Solve for x
    x = 76,102,243,824.83/317,133.52
  6. Step 6: Final answer
    x = 239,969.10

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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.