Home / 111,090.88-153,337.60-63,370.24

Finding the Fourth Proportional to 111,090.88, 153,337.60 and 63,370.24

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Solution

The fourth proportional to 111,090.88, 153,337.60 and 63,370.24 is: 87,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,090.88 : 153,337.60 = 63,370.24 : x
  2. Step 2: Convert to fraction form
    111,090.88/153,337.60 = 63,370.24/x
  3. Step 3: Cross multiply
    111,090.88x = 153,337.60 × 63,370.24
  4. Step 4: Simplify right side
    111,090.88x = 9,717,040,513.02
  5. Step 5: Solve for x
    x = 9,717,040,513.02/111,090.88
  6. Step 6: Final answer
    x = 87,469.29

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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.