Home / 197,255.81-272,136.53-125,623.01

Finding the Fourth Proportional to 197,255.81, 272,136.53 and 125,623.01

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Solution

The fourth proportional to 197,255.81, 272,136.53 and 125,623.01 is: 173,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,255.81 : 272,136.53 = 125,623.01 : x
  2. Step 2: Convert to fraction form
    197,255.81/272,136.53 = 125,623.01/x
  3. Step 3: Cross multiply
    197,255.81x = 272,136.53 × 125,623.01
  4. Step 4: Simplify right side
    197,255.81x = 34,186,609,401.44
  5. Step 5: Solve for x
    x = 34,186,609,401.44/197,255.81
  6. Step 6: Final answer
    x = 173,311.04

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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.