Home / 177,105.89-265,602.94-70,443.47

Finding the Fourth Proportional to 177,105.89, 265,602.94 and 70,443.47

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Solution

The fourth proportional to 177,105.89, 265,602.94 and 70,443.47 is: 105,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,105.89 : 265,602.94 = 70,443.47 : x
  2. Step 2: Convert to fraction form
    177,105.89/265,602.94 = 70,443.47/x
  3. Step 3: Cross multiply
    177,105.89x = 265,602.94 × 70,443.47
  4. Step 4: Simplify right side
    177,105.89x = 18,709,991,231.68
  5. Step 5: Solve for x
    x = 18,709,991,231.68/177,105.89
  6. Step 6: Final answer
    x = 105,642.97

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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.