Home / 113,831.80-170,747.70-102,556.60

Finding the Fourth Proportional to 113,831.80, 170,747.70 and 102,556.60

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Solution

The fourth proportional to 113,831.80, 170,747.70 and 102,556.60 is: 153,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,831.80 : 170,747.70 = 102,556.60 : x
  2. Step 2: Convert to fraction form
    113,831.80/170,747.70 = 102,556.60/x
  3. Step 3: Cross multiply
    113,831.80x = 170,747.70 × 102,556.60
  4. Step 4: Simplify right side
    113,831.80x = 17,511,303,569.82
  5. Step 5: Solve for x
    x = 17,511,303,569.82/113,831.80
  6. Step 6: Final answer
    x = 153,834.90

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1.5x scale

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.