Home / 111,328.80-166,999.60-32,455.20

Finding the Fourth Proportional to 111,328.80, 166,999.60 and 32,455.20

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Solution

The fourth proportional to 111,328.80, 166,999.60 and 32,455.20 is: 48,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,328.80 : 166,999.60 = 32,455.20 : x
  2. Step 2: Convert to fraction form
    111,328.80/166,999.60 = 32,455.20/x
  3. Step 3: Cross multiply
    111,328.80x = 166,999.60 × 32,455.20
  4. Step 4: Simplify right side
    111,328.80x = 5,420,005,417.92
  5. Step 5: Solve for x
    x = 5,420,005,417.92/111,328.80
  6. Step 6: Final answer
    x = 48,684.67

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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.