Home / 305,613.74-458,316.79-105,887.52

Finding the Fourth Proportional to 305,613.74, 458,316.79 and 105,887.52

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Solution

The fourth proportional to 305,613.74, 458,316.79 and 105,887.52 is: 158,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,613.74 : 458,316.79 = 105,887.52 : x
  2. Step 2: Convert to fraction form
    305,613.74/458,316.79 = 105,887.52/x
  3. Step 3: Cross multiply
    305,613.74x = 458,316.79 × 105,887.52
  4. Step 4: Simplify right side
    305,613.74x = 48,530,028,002.74
  5. Step 5: Solve for x
    x = 48,530,028,002.74/305,613.74
  6. Step 6: Final answer
    x = 158,795.31

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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.