Home / 177,783.56-245,403.09-102,362.12

Finding the Fourth Proportional to 177,783.56, 245,403.09 and 102,362.12

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Solution

The fourth proportional to 177,783.56, 245,403.09 and 102,362.12 is: 141,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,783.56 : 245,403.09 = 102,362.12 : x
  2. Step 2: Convert to fraction form
    177,783.56/245,403.09 = 102,362.12/x
  3. Step 3: Cross multiply
    177,783.56x = 245,403.09 × 102,362.12
  4. Step 4: Simplify right side
    177,783.56x = 25,119,980,546.95
  5. Step 5: Solve for x
    x = 25,119,980,546.95/177,783.56
  6. Step 6: Final answer
    x = 141,295.29

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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.