Home / 190,369.01-262,736.79-109,780.49

Finding the Fourth Proportional to 190,369.01, 262,736.79 and 109,780.49

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Solution

The fourth proportional to 190,369.01, 262,736.79 and 109,780.49 is: 151,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,369.01 : 262,736.79 = 109,780.49 : x
  2. Step 2: Convert to fraction form
    190,369.01/262,736.79 = 109,780.49/x
  3. Step 3: Cross multiply
    190,369.01x = 262,736.79 × 109,780.49
  4. Step 4: Simplify right side
    190,369.01x = 28,843,373,547.23
  5. Step 5: Solve for x
    x = 28,843,373,547.23/190,369.01
  6. Step 6: Final answer
    x = 151,512.97

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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.