Home / 183,621.48-253,303.20-122,472.96

Finding the Fourth Proportional to 183,621.48, 253,303.20 and 122,472.96

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Solution

The fourth proportional to 183,621.48, 253,303.20 and 122,472.96 is: 168,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,621.48 : 253,303.20 = 122,472.96 : x
  2. Step 2: Convert to fraction form
    183,621.48/253,303.20 = 122,472.96/x
  3. Step 3: Cross multiply
    183,621.48x = 253,303.20 × 122,472.96
  4. Step 4: Simplify right side
    183,621.48x = 31,022,792,681.47
  5. Step 5: Solve for x
    x = 31,022,792,681.47/183,621.48
  6. Step 6: Final answer
    x = 168,949.69

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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.