Home / 111,258.20-166,897.52-36,378.72

Finding the Fourth Proportional to 111,258.20, 166,897.52 and 36,378.72

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Solution

The fourth proportional to 111,258.20, 166,897.52 and 36,378.72 is: 54,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,258.20 : 166,897.52 = 36,378.72 : x
  2. Step 2: Convert to fraction form
    111,258.20/166,897.52 = 36,378.72/x
  3. Step 3: Cross multiply
    111,258.20x = 166,897.52 × 36,378.72
  4. Step 4: Simplify right side
    111,258.20x = 6,071,518,148.77
  5. Step 5: Solve for x
    x = 6,071,518,148.77/111,258.20
  6. Step 6: Final answer
    x = 54,571.42

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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.