Home / 282,247.06-389,824.21-185,881.69

Finding the Fourth Proportional to 282,247.06, 389,824.21 and 185,881.69

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Solution

The fourth proportional to 282,247.06, 389,824.21 and 185,881.69 is: 256,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,247.06 : 389,824.21 = 185,881.69 : x
  2. Step 2: Convert to fraction form
    282,247.06/389,824.21 = 185,881.69/x
  3. Step 3: Cross multiply
    282,247.06x = 389,824.21 × 185,881.69
  4. Step 4: Simplify right side
    282,247.06x = 72,461,181,053.75
  5. Step 5: Solve for x
    x = 72,461,181,053.75/282,247.06
  6. Step 6: Final answer
    x = 256,729.62

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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.