Home / 153,610.44-211,986.90-89,942.28

Finding the Fourth Proportional to 153,610.44, 211,986.90 and 89,942.28

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Solution

The fourth proportional to 153,610.44, 211,986.90 and 89,942.28 is: 124,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,610.44 : 211,986.90 = 89,942.28 : x
  2. Step 2: Convert to fraction form
    153,610.44/211,986.90 = 89,942.28/x
  3. Step 3: Cross multiply
    153,610.44x = 211,986.90 × 89,942.28
  4. Step 4: Simplify right side
    153,610.44x = 19,066,585,116.13
  5. Step 5: Solve for x
    x = 19,066,585,116.13/153,610.44
  6. Step 6: Final answer
    x = 124,122.98

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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.