Home / 160,556.16-221,567.52-88,940.82

Finding the Fourth Proportional to 160,556.16, 221,567.52 and 88,940.82

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Solution

The fourth proportional to 160,556.16, 221,567.52 and 88,940.82 is: 122,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,556.16 : 221,567.52 = 88,940.82 : x
  2. Step 2: Convert to fraction form
    160,556.16/221,567.52 = 88,940.82/x
  3. Step 3: Cross multiply
    160,556.16x = 221,567.52 × 88,940.82
  4. Step 4: Simplify right side
    160,556.16x = 19,706,396,914.17
  5. Step 5: Solve for x
    x = 19,706,396,914.17/160,556.16
  6. Step 6: Final answer
    x = 122,738.34

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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.