Home / 111,116.36-153,339.40-60,127.97

Finding the Fourth Proportional to 111,116.36, 153,339.40 and 60,127.97

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Solution

The fourth proportional to 111,116.36, 153,339.40 and 60,127.97 is: 82,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,116.36 : 153,339.40 = 60,127.97 : x
  2. Step 2: Convert to fraction form
    111,116.36/153,339.40 = 60,127.97/x
  3. Step 3: Cross multiply
    111,116.36x = 153,339.40 × 60,127.97
  4. Step 4: Simplify right side
    111,116.36x = 9,219,987,183.13
  5. Step 5: Solve for x
    x = 9,219,987,183.13/111,116.36
  6. Step 6: Final answer
    x = 82,975.97

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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.