Home / 160,388.07-221,384.83-92,450.45

Finding the Fourth Proportional to 160,388.07, 221,384.83 and 92,450.45

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Solution

The fourth proportional to 160,388.07, 221,384.83 and 92,450.45 is: 127,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,388.07 : 221,384.83 = 92,450.45 : x
  2. Step 2: Convert to fraction form
    160,388.07/221,384.83 = 92,450.45/x
  3. Step 3: Cross multiply
    160,388.07x = 221,384.83 × 92,450.45
  4. Step 4: Simplify right side
    160,388.07x = 20,467,128,198.04
  5. Step 5: Solve for x
    x = 20,467,128,198.04/160,388.07
  6. Step 6: Final answer
    x = 127,610.04

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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.