Home / 111,949.40-167,924.10-105,534.20

Finding the Fourth Proportional to 111,949.40, 167,924.10 and 105,534.20

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Solution

The fourth proportional to 111,949.40, 167,924.10 and 105,534.20 is: 158,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,949.40 : 167,924.10 = 105,534.20 : x
  2. Step 2: Convert to fraction form
    111,949.40/167,924.10 = 105,534.20/x
  3. Step 3: Cross multiply
    111,949.40x = 167,924.10 × 105,534.20
  4. Step 4: Simplify right side
    111,949.40x = 17,721,735,554.22
  5. Step 5: Solve for x
    x = 17,721,735,554.22/111,949.40
  6. Step 6: Final answer
    x = 158,301.30

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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.