Home / 387,739.51-581,496.27-151,025.92

Finding the Fourth Proportional to 387,739.51, 581,496.27 and 151,025.92

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Solution

The fourth proportional to 387,739.51, 581,496.27 and 151,025.92 is: 226,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,739.51 : 581,496.27 = 151,025.92 : x
  2. Step 2: Convert to fraction form
    387,739.51/581,496.27 = 151,025.92/x
  3. Step 3: Cross multiply
    387,739.51x = 581,496.27 × 151,025.92
  4. Step 4: Simplify right side
    387,739.51x = 87,821,007,133.23
  5. Step 5: Solve for x
    x = 87,821,007,133.23/387,739.51
  6. Step 6: Final answer
    x = 226,494.86

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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.