Home / 385,015.26-577,478.75-100,733.25

Finding the Fourth Proportional to 385,015.26, 577,478.75 and 100,733.25

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Solution

The fourth proportional to 385,015.26, 577,478.75 and 100,733.25 is: 151,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,015.26 : 577,478.75 = 100,733.25 : x
  2. Step 2: Convert to fraction form
    385,015.26/577,478.75 = 100,733.25/x
  3. Step 3: Cross multiply
    385,015.26x = 577,478.75 × 100,733.25
  4. Step 4: Simplify right side
    385,015.26x = 58,171,310,789.77
  5. Step 5: Solve for x
    x = 58,171,310,789.77/385,015.26
  6. Step 6: Final answer
    x = 151,088.33

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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.