Home / 177,868.56-245,520.36-102,447.12

Finding the Fourth Proportional to 177,868.56, 245,520.36 and 102,447.12

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Solution

The fourth proportional to 177,868.56, 245,520.36 and 102,447.12 is: 141,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,868.56 : 245,520.36 = 102,447.12 : x
  2. Step 2: Convert to fraction form
    177,868.56/245,520.36 = 102,447.12/x
  3. Step 3: Cross multiply
    177,868.56x = 245,520.36 × 102,447.12
  4. Step 4: Simplify right side
    177,868.56x = 25,152,853,783.36
  5. Step 5: Solve for x
    x = 25,152,853,783.36/177,868.56
  6. Step 6: Final answer
    x = 141,412.59

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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.