Home / 197,427.77-272,450.03-111,386.63

Finding the Fourth Proportional to 197,427.77, 272,450.03 and 111,386.63

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Solution

The fourth proportional to 197,427.77, 272,450.03 and 111,386.63 is: 153,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,427.77 : 272,450.03 = 111,386.63 : x
  2. Step 2: Convert to fraction form
    197,427.77/272,450.03 = 111,386.63/x
  3. Step 3: Cross multiply
    197,427.77x = 272,450.03 × 111,386.63
  4. Step 4: Simplify right side
    197,427.77x = 30,347,288,765.92
  5. Step 5: Solve for x
    x = 30,347,288,765.92/197,427.77
  6. Step 6: Final answer
    x = 153,713.38

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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.