Home / 197,291.04-272,288.30-111,267.72

Finding the Fourth Proportional to 197,291.04, 272,288.30 and 111,267.72

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Solution

The fourth proportional to 197,291.04, 272,288.30 and 111,267.72 is: 153,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,291.04 : 272,288.30 = 111,267.72 : x
  2. Step 2: Convert to fraction form
    197,291.04/272,288.30 = 111,267.72/x
  3. Step 3: Cross multiply
    197,291.04x = 272,288.30 × 111,267.72
  4. Step 4: Simplify right side
    197,291.04x = 30,296,898,323.68
  5. Step 5: Solve for x
    x = 30,296,898,323.68/197,291.04
  6. Step 6: Final answer
    x = 153,564.49

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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.