Home / 190,933.75-286,328.62-153,401.59

Finding the Fourth Proportional to 190,933.75, 286,328.62 and 153,401.59

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Solution

The fourth proportional to 190,933.75, 286,328.62 and 153,401.59 is: 230,044.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,933.75 : 286,328.62 = 153,401.59 : x
  2. Step 2: Convert to fraction form
    190,933.75/286,328.62 = 153,401.59/x
  3. Step 3: Cross multiply
    190,933.75x = 286,328.62 × 153,401.59
  4. Step 4: Simplify right side
    190,933.75x = 43,923,265,570.51
  5. Step 5: Solve for x
    x = 43,923,265,570.51/190,933.75
  6. Step 6: Final answer
    x = 230,044.53

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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.