Home / 111,198.36-153,432.18-63,450.48

Finding the Fourth Proportional to 111,198.36, 153,432.18 and 63,450.48

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Solution

The fourth proportional to 111,198.36, 153,432.18 and 63,450.48 is: 87,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,198.36 : 153,432.18 = 63,450.48 : x
  2. Step 2: Convert to fraction form
    111,198.36/153,432.18 = 63,450.48/x
  3. Step 3: Cross multiply
    111,198.36x = 153,432.18 × 63,450.48
  4. Step 4: Simplify right side
    111,198.36x = 9,735,345,468.45
  5. Step 5: Solve for x
    x = 9,735,345,468.45/111,198.36
  6. Step 6: Final answer
    x = 87,549.36

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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.