Home / 177,793.03-245,334.23-105,198.15

Finding the Fourth Proportional to 177,793.03, 245,334.23 and 105,198.15

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Solution

The fourth proportional to 177,793.03, 245,334.23 and 105,198.15 is: 145,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,793.03 : 245,334.23 = 105,198.15 : x
  2. Step 2: Convert to fraction form
    177,793.03/245,334.23 = 105,198.15/x
  3. Step 3: Cross multiply
    177,793.03x = 245,334.23 × 105,198.15
  4. Step 4: Simplify right side
    177,793.03x = 25,808,707,127.67
  5. Step 5: Solve for x
    x = 25,808,707,127.67/177,793.03
  6. Step 6: Final answer
    x = 145,161.52

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1.5x scale

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.