Home / 111,015.36-153,198.06-60,713.28

Finding the Fourth Proportional to 111,015.36, 153,198.06 and 60,713.28

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Solution

The fourth proportional to 111,015.36, 153,198.06 and 60,713.28 is: 83,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,015.36 : 153,198.06 = 60,713.28 : x
  2. Step 2: Convert to fraction form
    111,015.36/153,198.06 = 60,713.28/x
  3. Step 3: Cross multiply
    111,015.36x = 153,198.06 × 60,713.28
  4. Step 4: Simplify right side
    111,015.36x = 9,301,156,712.24
  5. Step 5: Solve for x
    x = 9,301,156,712.24/111,015.36
  6. Step 6: Final answer
    x = 83,782.61

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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.