Home / 170,359.70-234,878.03-139,619.63

Finding the Fourth Proportional to 170,359.70, 234,878.03 and 139,619.63

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Solution

The fourth proportional to 170,359.70, 234,878.03 and 139,619.63 is: 192,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,359.70 : 234,878.03 = 139,619.63 : x
  2. Step 2: Convert to fraction form
    170,359.70/234,878.03 = 139,619.63/x
  3. Step 3: Cross multiply
    170,359.70x = 234,878.03 × 139,619.63
  4. Step 4: Simplify right side
    170,359.70x = 32,793,581,771.24
  5. Step 5: Solve for x
    x = 32,793,581,771.24/170,359.70
  6. Step 6: Final answer
    x = 192,496.13

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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.