Home / 190,574.42-285,480.45-114,631.02

Finding the Fourth Proportional to 190,574.42, 285,480.45 and 114,631.02

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Solution

The fourth proportional to 190,574.42, 285,480.45 and 114,631.02 is: 171,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,574.42 : 285,480.45 = 114,631.02 : x
  2. Step 2: Convert to fraction form
    190,574.42/285,480.45 = 114,631.02/x
  3. Step 3: Cross multiply
    190,574.42x = 285,480.45 × 114,631.02
  4. Step 4: Simplify right side
    190,574.42x = 32,724,915,173.56
  5. Step 5: Solve for x
    x = 32,724,915,173.56/190,574.42
  6. Step 6: Final answer
    x = 171,717.25

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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.