Home / 358,831.38-495,169.56-197,682.15

Finding the Fourth Proportional to 358,831.38, 495,169.56 and 197,682.15

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Solution

The fourth proportional to 358,831.38, 495,169.56 and 197,682.15 is: 272,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,831.38 : 495,169.56 = 197,682.15 : x
  2. Step 2: Convert to fraction form
    358,831.38/495,169.56 = 197,682.15/x
  3. Step 3: Cross multiply
    358,831.38x = 495,169.56 × 197,682.15
  4. Step 4: Simplify right side
    358,831.38x = 97,886,183,235.35
  5. Step 5: Solve for x
    x = 97,886,183,235.35/358,831.38
  6. Step 6: Final answer
    x = 272,791.59

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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.