Home / 160,431.99-221,419.31-92,435.93

Finding the Fourth Proportional to 160,431.99, 221,419.31 and 92,435.93

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Solution

The fourth proportional to 160,431.99, 221,419.31 and 92,435.93 is: 127,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,431.99 : 221,419.31 = 92,435.93 : x
  2. Step 2: Convert to fraction form
    160,431.99/221,419.31 = 92,435.93/x
  3. Step 3: Cross multiply
    160,431.99x = 221,419.31 × 92,435.93
  4. Step 4: Simplify right side
    160,431.99x = 20,467,099,100.85
  5. Step 5: Solve for x
    x = 20,467,099,100.85/160,431.99
  6. Step 6: Final answer
    x = 127,574.93

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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.