Home / 111,260.16-153,540.09-63,513.36

Finding the Fourth Proportional to 111,260.16, 153,540.09 and 63,513.36

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Solution

The fourth proportional to 111,260.16, 153,540.09 and 63,513.36 is: 87,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.16 : 153,540.09 = 63,513.36 : x
  2. Step 2: Convert to fraction form
    111,260.16/153,540.09 = 63,513.36/x
  3. Step 3: Cross multiply
    111,260.16x = 153,540.09 × 63,513.36
  4. Step 4: Simplify right side
    111,260.16x = 9,751,847,010.60
  5. Step 5: Solve for x
    x = 9,751,847,010.60/111,260.16
  6. Step 6: Final answer
    x = 87,649.05

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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.