Home / 286,403.37-395,246.58-159,090.81

Finding the Fourth Proportional to 286,403.37, 395,246.58 and 159,090.81

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Solution

The fourth proportional to 286,403.37, 395,246.58 and 159,090.81 is: 219,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,403.37 : 395,246.58 = 159,090.81 : x
  2. Step 2: Convert to fraction form
    286,403.37/395,246.58 = 159,090.81/x
  3. Step 3: Cross multiply
    286,403.37x = 395,246.58 × 159,090.81
  4. Step 4: Simplify right side
    286,403.37x = 62,880,098,561.93
  5. Step 5: Solve for x
    x = 62,880,098,561.93/286,403.37
  6. Step 6: Final answer
    x = 219,550.83

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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.