Home / 330,137.36-495,016.10-176,073.28

Finding the Fourth Proportional to 330,137.36, 495,016.10 and 176,073.28

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Solution

The fourth proportional to 330,137.36, 495,016.10 and 176,073.28 is: 264,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,137.36 : 495,016.10 = 176,073.28 : x
  2. Step 2: Convert to fraction form
    330,137.36/495,016.10 = 176,073.28/x
  3. Step 3: Cross multiply
    330,137.36x = 495,016.10 × 176,073.28
  4. Step 4: Simplify right side
    330,137.36x = 87,159,108,379.81
  5. Step 5: Solve for x
    x = 87,159,108,379.81/330,137.36
  6. Step 6: Final answer
    x = 264,008.62

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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.