Home / 188,370.24-282,511.56-70,097.28

Finding the Fourth Proportional to 188,370.24, 282,511.56 and 70,097.28

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Solution

The fourth proportional to 188,370.24, 282,511.56 and 70,097.28 is: 105,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,370.24 : 282,511.56 = 70,097.28 : x
  2. Step 2: Convert to fraction form
    188,370.24/282,511.56 = 70,097.28/x
  3. Step 3: Cross multiply
    188,370.24x = 282,511.56 × 70,097.28
  4. Step 4: Simplify right side
    188,370.24x = 19,803,291,924.56
  5. Step 5: Solve for x
    x = 19,803,291,924.56/188,370.24
  6. Step 6: Final answer
    x = 105,129.62

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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.