Home / 111,563.19-167,346.54-111,399.17

Finding the Fourth Proportional to 111,563.19, 167,346.54 and 111,399.17

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Solution

The fourth proportional to 111,563.19, 167,346.54 and 111,399.17 is: 167,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,563.19 : 167,346.54 = 111,399.17 : x
  2. Step 2: Convert to fraction form
    111,563.19/167,346.54 = 111,399.17/x
  3. Step 3: Cross multiply
    111,563.19x = 167,346.54 × 111,399.17
  4. Step 4: Simplify right side
    111,563.19x = 18,642,264,821.64
  5. Step 5: Solve for x
    x = 18,642,264,821.64/111,563.19
  6. Step 6: Final answer
    x = 167,100.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.