Home / 378,024.40-567,085.20-188,581.60

Finding the Fourth Proportional to 378,024.40, 567,085.20 and 188,581.60

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Solution

The fourth proportional to 378,024.40, 567,085.20 and 188,581.60 is: 282,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,024.40 : 567,085.20 = 188,581.60 : x
  2. Step 2: Convert to fraction form
    378,024.40/567,085.20 = 188,581.60/x
  3. Step 3: Cross multiply
    378,024.40x = 567,085.20 × 188,581.60
  4. Step 4: Simplify right side
    378,024.40x = 106,941,834,352.32
  5. Step 5: Solve for x
    x = 106,941,834,352.32/378,024.40
  6. Step 6: Final answer
    x = 282,896.64

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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.