Home / 111,554.04-166,912.78-66,410.26

Finding the Fourth Proportional to 111,554.04, 166,912.78 and 66,410.26

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Solution

The fourth proportional to 111,554.04, 166,912.78 and 66,410.26 is: 99,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,554.04 : 166,912.78 = 66,410.26 : x
  2. Step 2: Convert to fraction form
    111,554.04/166,912.78 = 66,410.26/x
  3. Step 3: Cross multiply
    111,554.04x = 166,912.78 × 66,410.26
  4. Step 4: Simplify right side
    111,554.04x = 11,084,721,117.12
  5. Step 5: Solve for x
    x = 11,084,721,117.12/111,554.04
  6. Step 6: Final answer
    x = 99,366.38

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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.