Home / 109,946.20-164,919.30-97,480.30

Finding the Fourth Proportional to 109,946.20, 164,919.30 and 97,480.30

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Solution

The fourth proportional to 109,946.20, 164,919.30 and 97,480.30 is: 146,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,946.20 : 164,919.30 = 97,480.30 : x
  2. Step 2: Convert to fraction form
    109,946.20/164,919.30 = 97,480.30/x
  3. Step 3: Cross multiply
    109,946.20x = 164,919.30 × 97,480.30
  4. Step 4: Simplify right side
    109,946.20x = 16,076,382,839.79
  5. Step 5: Solve for x
    x = 16,076,382,839.79/109,946.20
  6. Step 6: Final answer
    x = 146,220.45

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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.