Home / 190,467.04-285,719.68-70,556.28

Finding the Fourth Proportional to 190,467.04, 285,719.68 and 70,556.28

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Solution

The fourth proportional to 190,467.04, 285,719.68 and 70,556.28 is: 105,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,467.04 : 285,719.68 = 70,556.28 : x
  2. Step 2: Convert to fraction form
    190,467.04/285,719.68 = 70,556.28/x
  3. Step 3: Cross multiply
    190,467.04x = 285,719.68 × 70,556.28
  4. Step 4: Simplify right side
    190,467.04x = 20,159,317,743.59
  5. Step 5: Solve for x
    x = 20,159,317,743.59/190,467.04
  6. Step 6: Final answer
    x = 105,841.50

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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.