Home / 415,836.27-623,831.36-131,598.36

Finding the Fourth Proportional to 415,836.27, 623,831.36 and 131,598.36

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Solution

The fourth proportional to 415,836.27, 623,831.36 and 131,598.36 is: 197,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,836.27 : 623,831.36 = 131,598.36 : x
  2. Step 2: Convert to fraction form
    415,836.27/623,831.36 = 131,598.36/x
  3. Step 3: Cross multiply
    415,836.27x = 623,831.36 × 131,598.36
  4. Step 4: Simplify right side
    415,836.27x = 82,095,183,234.58
  5. Step 5: Solve for x
    x = 82,095,183,234.58/415,836.27
  6. Step 6: Final answer
    x = 197,421.89

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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.