Home / 160,795.55-221,911.16-89,198.70

Finding the Fourth Proportional to 160,795.55, 221,911.16 and 89,198.70

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Solution

The fourth proportional to 160,795.55, 221,911.16 and 89,198.70 is: 123,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,795.55 : 221,911.16 = 89,198.70 : x
  2. Step 2: Convert to fraction form
    160,795.55/221,911.16 = 89,198.70/x
  3. Step 3: Cross multiply
    160,795.55x = 221,911.16 × 89,198.70
  4. Step 4: Simplify right side
    160,795.55x = 19,794,186,541.50
  5. Step 5: Solve for x
    x = 19,794,186,541.50/160,795.55
  6. Step 6: Final answer
    x = 123,101.59

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1.5x scale

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.