Home / 111,022.12-153,204.90-68,584.36

Finding the Fourth Proportional to 111,022.12, 153,204.90 and 68,584.36

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Solution

The fourth proportional to 111,022.12, 153,204.90 and 68,584.36 is: 94,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,022.12 : 153,204.90 = 68,584.36 : x
  2. Step 2: Convert to fraction form
    111,022.12/153,204.90 = 68,584.36/x
  3. Step 3: Cross multiply
    111,022.12x = 153,204.90 × 68,584.36
  4. Step 4: Simplify right side
    111,022.12x = 10,507,460,015.36
  5. Step 5: Solve for x
    x = 10,507,460,015.36/111,022.12
  6. Step 6: Final answer
    x = 94,642.94

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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.