Home / 177,790.80-245,351.50-101,306.54

Finding the Fourth Proportional to 177,790.80, 245,351.50 and 101,306.54

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Solution

The fourth proportional to 177,790.80, 245,351.50 and 101,306.54 is: 139,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,790.80 : 245,351.50 = 101,306.54 : x
  2. Step 2: Convert to fraction form
    177,790.80/245,351.50 = 101,306.54/x
  3. Step 3: Cross multiply
    177,790.80x = 245,351.50 × 101,306.54
  4. Step 4: Simplify right side
    177,790.80x = 24,855,711,548.81
  5. Step 5: Solve for x
    x = 24,855,711,548.81/177,790.80
  6. Step 6: Final answer
    x = 139,803.14

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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.