Home / 197,136.20-272,048.04-106,492.16

Finding the Fourth Proportional to 197,136.20, 272,048.04 and 106,492.16

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Solution

The fourth proportional to 197,136.20, 272,048.04 and 106,492.16 is: 146,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,136.20 : 272,048.04 = 106,492.16 : x
  2. Step 2: Convert to fraction form
    197,136.20/272,048.04 = 106,492.16/x
  3. Step 3: Cross multiply
    197,136.20x = 272,048.04 × 106,492.16
  4. Step 4: Simplify right side
    197,136.20x = 28,970,982,043.13
  5. Step 5: Solve for x
    x = 28,970,982,043.13/197,136.20
  6. Step 6: Final answer
    x = 146,959.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.