Home / 111,289.12-166,880.88-64,556.32

Finding the Fourth Proportional to 111,289.12, 166,880.88 and 64,556.32

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Solution

The fourth proportional to 111,289.12, 166,880.88 and 64,556.32 is: 96,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,289.12 : 166,880.88 = 64,556.32 : x
  2. Step 2: Convert to fraction form
    111,289.12/166,880.88 = 64,556.32/x
  3. Step 3: Cross multiply
    111,289.12x = 166,880.88 × 64,556.32
  4. Step 4: Simplify right side
    111,289.12x = 10,773,215,491.16
  5. Step 5: Solve for x
    x = 10,773,215,491.16/111,289.12
  6. Step 6: Final answer
    x = 96,803.85

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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.