Home / 493,743.06-740,538.96-156,739.73

Finding the Fourth Proportional to 493,743.06, 740,538.96 and 156,739.73

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Solution

The fourth proportional to 493,743.06, 740,538.96 and 156,739.73 is: 235,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,743.06 : 740,538.96 = 156,739.73 : x
  2. Step 2: Convert to fraction form
    493,743.06/740,538.96 = 156,739.73/x
  3. Step 3: Cross multiply
    493,743.06x = 740,538.96 × 156,739.73
  4. Step 4: Simplify right side
    493,743.06x = 116,071,872,354.41
  5. Step 5: Solve for x
    x = 116,071,872,354.41/493,743.06
  6. Step 6: Final answer
    x = 235,085.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.