Home / 111,466.08-153,868.68-83,122.56

Finding the Fourth Proportional to 111,466.08, 153,868.68 and 83,122.56

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Solution

The fourth proportional to 111,466.08, 153,868.68 and 83,122.56 is: 114,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,466.08 : 153,868.68 = 83,122.56 : x
  2. Step 2: Convert to fraction form
    111,466.08/153,868.68 = 83,122.56/x
  3. Step 3: Cross multiply
    111,466.08x = 153,868.68 × 83,122.56
  4. Step 4: Simplify right side
    111,466.08x = 12,789,958,585.42
  5. Step 5: Solve for x
    x = 12,789,958,585.42/111,466.08
  6. Step 6: Final answer
    x = 114,743.06

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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.