Home / 330,135.36-495,013.10-176,071.28

Finding the Fourth Proportional to 330,135.36, 495,013.10 and 176,071.28

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Solution

The fourth proportional to 330,135.36, 495,013.10 and 176,071.28 is: 264,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,135.36 : 495,013.10 = 176,071.28 : x
  2. Step 2: Convert to fraction form
    330,135.36/495,013.10 = 176,071.28/x
  3. Step 3: Cross multiply
    330,135.36x = 495,013.10 × 176,071.28
  4. Step 4: Simplify right side
    330,135.36x = 87,157,590,133.77
  5. Step 5: Solve for x
    x = 87,157,590,133.77/330,135.36
  6. Step 6: Final answer
    x = 264,005.62

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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.