Home / 197,391.47-272,402.98-111,354.44

Finding the Fourth Proportional to 197,391.47, 272,402.98 and 111,354.44

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Solution

The fourth proportional to 197,391.47, 272,402.98 and 111,354.44 is: 153,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,391.47 : 272,402.98 = 111,354.44 : x
  2. Step 2: Convert to fraction form
    197,391.47/272,402.98 = 111,354.44/x
  3. Step 3: Cross multiply
    197,391.47x = 272,402.98 × 111,354.44
  4. Step 4: Simplify right side
    197,391.47x = 30,333,279,930.22
  5. Step 5: Solve for x
    x = 30,333,279,930.22/197,391.47
  6. Step 6: Final answer
    x = 153,670.67

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1.5x scale

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.