Home / 190,097.19-262,392.57-109,578.56

Finding the Fourth Proportional to 190,097.19, 262,392.57 and 109,578.56

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Solution

The fourth proportional to 190,097.19, 262,392.57 and 109,578.56 is: 151,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,097.19 : 262,392.57 = 109,578.56 : x
  2. Step 2: Convert to fraction form
    190,097.19/262,392.57 = 109,578.56/x
  3. Step 3: Cross multiply
    190,097.19x = 262,392.57 × 109,578.56
  4. Step 4: Simplify right side
    190,097.19x = 28,752,598,663.34
  5. Step 5: Solve for x
    x = 28,752,598,663.34/190,097.19
  6. Step 6: Final answer
    x = 151,252.10

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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.