Home / 282,583.20-389,986.53-161,762.40

Finding the Fourth Proportional to 282,583.20, 389,986.53 and 161,762.40

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Solution

The fourth proportional to 282,583.20, 389,986.53 and 161,762.40 is: 223,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,583.20 : 389,986.53 = 161,762.40 : x
  2. Step 2: Convert to fraction form
    282,583.20/389,986.53 = 161,762.40/x
  3. Step 3: Cross multiply
    282,583.20x = 389,986.53 × 161,762.40
  4. Step 4: Simplify right side
    282,583.20x = 63,085,157,060.47
  5. Step 5: Solve for x
    x = 63,085,157,060.47/282,583.20
  6. Step 6: Final answer
    x = 223,244.54

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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.