Home / 186,090.24-256,746.60-105,511.44

Finding the Fourth Proportional to 186,090.24, 256,746.60 and 105,511.44

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Solution

The fourth proportional to 186,090.24, 256,746.60 and 105,511.44 is: 145,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,090.24 : 256,746.60 = 105,511.44 : x
  2. Step 2: Convert to fraction form
    186,090.24/256,746.60 = 105,511.44/x
  3. Step 3: Cross multiply
    186,090.24x = 256,746.60 × 105,511.44
  4. Step 4: Simplify right side
    186,090.24x = 27,089,703,481.10
  5. Step 5: Solve for x
    x = 27,089,703,481.10/186,090.24
  6. Step 6: Final answer
    x = 145,572.94

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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.