Home / 111,454.20-153,804.24-63,704.70

Finding the Fourth Proportional to 111,454.20, 153,804.24 and 63,704.70

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Solution

The fourth proportional to 111,454.20, 153,804.24 and 63,704.70 is: 87,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,454.20 : 153,804.24 = 63,704.70 : x
  2. Step 2: Convert to fraction form
    111,454.20/153,804.24 = 63,704.70/x
  3. Step 3: Cross multiply
    111,454.20x = 153,804.24 × 63,704.70
  4. Step 4: Simplify right side
    111,454.20x = 9,798,052,967.93
  5. Step 5: Solve for x
    x = 9,798,052,967.93/111,454.20
  6. Step 6: Final answer
    x = 87,911.03

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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.