Home / 197,559.69-272,632.38-106,915.67

Finding the Fourth Proportional to 197,559.69, 272,632.38 and 106,915.67

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Solution

The fourth proportional to 197,559.69, 272,632.38 and 106,915.67 is: 147,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,559.69 : 272,632.38 = 106,915.67 : x
  2. Step 2: Convert to fraction form
    197,559.69/272,632.38 = 106,915.67/x
  3. Step 3: Cross multiply
    197,559.69x = 272,632.38 × 106,915.67
  4. Step 4: Simplify right side
    197,559.69x = 29,148,672,208.23
  5. Step 5: Solve for x
    x = 29,148,672,208.23/197,559.69
  6. Step 6: Final answer
    x = 147,543.62

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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.