Home / 160,681.08-221,753.16-89,083.56

Finding the Fourth Proportional to 160,681.08, 221,753.16 and 89,083.56

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Solution

The fourth proportional to 160,681.08, 221,753.16 and 89,083.56 is: 122,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,681.08 : 221,753.16 = 89,083.56 : x
  2. Step 2: Convert to fraction form
    160,681.08/221,753.16 = 89,083.56/x
  3. Step 3: Cross multiply
    160,681.08x = 221,753.16 × 89,083.56
  4. Step 4: Simplify right side
    160,681.08x = 19,754,560,934.05
  5. Step 5: Solve for x
    x = 19,754,560,934.05/160,681.08
  6. Step 6: Final answer
    x = 122,942.67

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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.