Home / 160,706.51-221,760.06-89,080.43

Finding the Fourth Proportional to 160,706.51, 221,760.06 and 89,080.43

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Solution

The fourth proportional to 160,706.51, 221,760.06 and 89,080.43 is: 122,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,706.51 : 221,760.06 = 89,080.43 : x
  2. Step 2: Convert to fraction form
    160,706.51/221,760.06 = 89,080.43/x
  3. Step 3: Cross multiply
    160,706.51x = 221,760.06 × 89,080.43
  4. Step 4: Simplify right side
    160,706.51x = 19,754,481,501.63
  5. Step 5: Solve for x
    x = 19,754,481,501.63/160,706.51
  6. Step 6: Final answer
    x = 122,922.72

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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.