Home / 190,058.20-284,979.30-71,733.40

Finding the Fourth Proportional to 190,058.20, 284,979.30 and 71,733.40

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Solution

The fourth proportional to 190,058.20, 284,979.30 and 71,733.40 is: 107,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,058.20 : 284,979.30 = 71,733.40 : x
  2. Step 2: Convert to fraction form
    190,058.20/284,979.30 = 71,733.40/x
  3. Step 3: Cross multiply
    190,058.20x = 284,979.30 × 71,733.40
  4. Step 4: Simplify right side
    190,058.20x = 20,442,534,118.62
  5. Step 5: Solve for x
    x = 20,442,534,118.62/190,058.20
  6. Step 6: Final answer
    x = 107,559.34

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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.