Home / 160,563.24-221,562-88,941.72

Finding the Fourth Proportional to 160,563.24, 221,562 and 88,941.72

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Solution

The fourth proportional to 160,563.24, 221,562 and 88,941.72 is: 122,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,563.24 : 221,562 = 88,941.72 : x
  2. Step 2: Convert to fraction form
    160,563.24/221,562 = 88,941.72/x
  3. Step 3: Cross multiply
    160,563.24x = 221,562 × 88,941.72
  4. Step 4: Simplify right side
    160,563.24x = 19,706,105,366.64
  5. Step 5: Solve for x
    x = 19,706,105,366.64/160,563.24
  6. Step 6: Final answer
    x = 122,731.11

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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.