Home / 207,255.75-286,012.94-117,831.75

Finding the Fourth Proportional to 207,255.75, 286,012.94 and 117,831.75

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Solution

The fourth proportional to 207,255.75, 286,012.94 and 117,831.75 is: 162,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,255.75 : 286,012.94 = 117,831.75 : x
  2. Step 2: Convert to fraction form
    207,255.75/286,012.94 = 117,831.75/x
  3. Step 3: Cross multiply
    207,255.75x = 286,012.94 × 117,831.75
  4. Step 4: Simplify right side
    207,255.75x = 33,701,405,242.85
  5. Step 5: Solve for x
    x = 33,701,405,242.85/207,255.75
  6. Step 6: Final answer
    x = 162,607.82

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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.