Home / 492,825.23-739,243.36-155,857.74

Finding the Fourth Proportional to 492,825.23, 739,243.36 and 155,857.74

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Solution

The fourth proportional to 492,825.23, 739,243.36 and 155,857.74 is: 233,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,825.23 : 739,243.36 = 155,857.74 : x
  2. Step 2: Convert to fraction form
    492,825.23/739,243.36 = 155,857.74/x
  3. Step 3: Cross multiply
    492,825.23x = 739,243.36 × 155,857.74
  4. Step 4: Simplify right side
    492,825.23x = 115,216,796,822.27
  5. Step 5: Solve for x
    x = 115,216,796,822.27/492,825.23
  6. Step 6: Final answer
    x = 233,788.35

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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.