Home / 116,848.40-161,271.78-111,523.73

Finding the Fourth Proportional to 116,848.40, 161,271.78 and 111,523.73

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Solution

The fourth proportional to 116,848.40, 161,271.78 and 111,523.73 is: 153,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,848.40 : 161,271.78 = 111,523.73 : x
  2. Step 2: Convert to fraction form
    116,848.40/161,271.78 = 111,523.73/x
  3. Step 3: Cross multiply
    116,848.40x = 161,271.78 × 111,523.73
  4. Step 4: Simplify right side
    116,848.40x = 17,985,630,449.34
  5. Step 5: Solve for x
    x = 17,985,630,449.34/116,848.40
  6. Step 6: Final answer
    x = 153,922.78

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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.