Home / 190,499.07-285,796.12-134,448.66

Finding the Fourth Proportional to 190,499.07, 285,796.12 and 134,448.66

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Solution

The fourth proportional to 190,499.07, 285,796.12 and 134,448.66 is: 201,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,499.07 : 285,796.12 = 134,448.66 : x
  2. Step 2: Convert to fraction form
    190,499.07/285,796.12 = 134,448.66/x
  3. Step 3: Cross multiply
    190,499.07x = 285,796.12 × 134,448.66
  4. Step 4: Simplify right side
    190,499.07x = 38,424,905,367.20
  5. Step 5: Solve for x
    x = 38,424,905,367.20/190,499.07
  6. Step 6: Final answer
    x = 201,706.52

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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.