Home / 331,831.80-497,747.70-197,112.60

Finding the Fourth Proportional to 331,831.80, 497,747.70 and 197,112.60

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Solution

The fourth proportional to 331,831.80, 497,747.70 and 197,112.60 is: 295,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,831.80 : 497,747.70 = 197,112.60 : x
  2. Step 2: Convert to fraction form
    331,831.80/497,747.70 = 197,112.60/x
  3. Step 3: Cross multiply
    331,831.80x = 497,747.70 × 197,112.60
  4. Step 4: Simplify right side
    331,831.80x = 98,112,343,291.02
  5. Step 5: Solve for x
    x = 98,112,343,291.02/331,831.80
  6. Step 6: Final answer
    x = 295,668.90

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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.