Home / 177,040.08-265,550.40-71,869.68

Finding the Fourth Proportional to 177,040.08, 265,550.40 and 71,869.68

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Solution

The fourth proportional to 177,040.08, 265,550.40 and 71,869.68 is: 107,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,040.08 : 265,550.40 = 71,869.68 : x
  2. Step 2: Convert to fraction form
    177,040.08/265,550.40 = 71,869.68/x
  3. Step 3: Cross multiply
    177,040.08x = 265,550.40 × 71,869.68
  4. Step 4: Simplify right side
    177,040.08x = 19,085,022,271.87
  5. Step 5: Solve for x
    x = 19,085,022,271.87/177,040.08
  6. Step 6: Final answer
    x = 107,800.57

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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.