Home / 167,977.28-231,790.56-92,521.28

Finding the Fourth Proportional to 167,977.28, 231,790.56 and 92,521.28

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Solution

The fourth proportional to 167,977.28, 231,790.56 and 92,521.28 is: 127,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,977.28 : 231,790.56 = 92,521.28 : x
  2. Step 2: Convert to fraction form
    167,977.28/231,790.56 = 92,521.28/x
  3. Step 3: Cross multiply
    167,977.28x = 231,790.56 × 92,521.28
  4. Step 4: Simplify right side
    167,977.28x = 21,445,559,303.12
  5. Step 5: Solve for x
    x = 21,445,559,303.12/167,977.28
  6. Step 6: Final answer
    x = 127,669.40

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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.