Home / 190,147.34-262,326.42-109,531.68

Finding the Fourth Proportional to 190,147.34, 262,326.42 and 109,531.68

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Solution

The fourth proportional to 190,147.34, 262,326.42 and 109,531.68 is: 151,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,147.34 : 262,326.42 = 109,531.68 : x
  2. Step 2: Convert to fraction form
    190,147.34/262,326.42 = 109,531.68/x
  3. Step 3: Cross multiply
    190,147.34x = 262,326.42 × 109,531.68
  4. Step 4: Simplify right side
    190,147.34x = 28,733,053,490.99
  5. Step 5: Solve for x
    x = 28,733,053,490.99/190,147.34
  6. Step 6: Final answer
    x = 151,109.42

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1.5x scale

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.