Home / 111,566.99-153,923.97-71,304.32

Finding the Fourth Proportional to 111,566.99, 153,923.97 and 71,304.32

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Solution

The fourth proportional to 111,566.99, 153,923.97 and 71,304.32 is: 98,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,566.99 : 153,923.97 = 71,304.32 : x
  2. Step 2: Convert to fraction form
    111,566.99/153,923.97 = 71,304.32/x
  3. Step 3: Cross multiply
    111,566.99x = 153,923.97 × 71,304.32
  4. Step 4: Simplify right side
    111,566.99x = 10,975,444,129.97
  5. Step 5: Solve for x
    x = 10,975,444,129.97/111,566.99
  6. Step 6: Final answer
    x = 98,375.37

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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.