Home / 147,831.39-204,007.28-79,848.33

Finding the Fourth Proportional to 147,831.39, 204,007.28 and 79,848.33

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Solution

The fourth proportional to 147,831.39, 204,007.28 and 79,848.33 is: 110,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,831.39 : 204,007.28 = 79,848.33 : x
  2. Step 2: Convert to fraction form
    147,831.39/204,007.28 = 79,848.33/x
  3. Step 3: Cross multiply
    147,831.39x = 204,007.28 × 79,848.33
  4. Step 4: Simplify right side
    147,831.39x = 16,289,640,216.60
  5. Step 5: Solve for x
    x = 16,289,640,216.60/147,831.39
  6. Step 6: Final answer
    x = 110,190.67

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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.