Home / 111,080.18-166,661.96-66,127.46

Finding the Fourth Proportional to 111,080.18, 166,661.96 and 66,127.46

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Solution

The fourth proportional to 111,080.18, 166,661.96 and 66,127.46 is: 99,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,080.18 : 166,661.96 = 66,127.46 : x
  2. Step 2: Convert to fraction form
    111,080.18/166,661.96 = 66,127.46/x
  3. Step 3: Cross multiply
    111,080.18x = 166,661.96 × 66,127.46
  4. Step 4: Simplify right side
    111,080.18x = 11,020,932,093.42
  5. Step 5: Solve for x
    x = 11,020,932,093.42/111,080.18
  6. Step 6: Final answer
    x = 99,216.01

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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.