Home / 190,041.31-284,761.88-154,328.84

Finding the Fourth Proportional to 190,041.31, 284,761.88 and 154,328.84

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Solution

The fourth proportional to 190,041.31, 284,761.88 and 154,328.84 is: 231,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,041.31 : 284,761.88 = 154,328.84 : x
  2. Step 2: Convert to fraction form
    190,041.31/284,761.88 = 154,328.84/x
  3. Step 3: Cross multiply
    190,041.31x = 284,761.88 × 154,328.84
  4. Step 4: Simplify right side
    190,041.31x = 43,946,969,886.44
  5. Step 5: Solve for x
    x = 43,946,969,886.44/190,041.31
  6. Step 6: Final answer
    x = 231,249.56

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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.