Home / 294,824.80-442,237.20-188,536.60

Finding the Fourth Proportional to 294,824.80, 442,237.20 and 188,536.60

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Solution

The fourth proportional to 294,824.80, 442,237.20 and 188,536.60 is: 282,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,824.80 : 442,237.20 = 188,536.60 : x
  2. Step 2: Convert to fraction form
    294,824.80/442,237.20 = 188,536.60/x
  3. Step 3: Cross multiply
    294,824.80x = 442,237.20 × 188,536.60
  4. Step 4: Simplify right side
    294,824.80x = 83,377,898,081.52
  5. Step 5: Solve for x
    x = 83,377,898,081.52/294,824.80
  6. Step 6: Final answer
    x = 282,804.90

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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.