Home / 160,400.88-221,361.08-92,428.48

Finding the Fourth Proportional to 160,400.88, 221,361.08 and 92,428.48

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Solution

The fourth proportional to 160,400.88, 221,361.08 and 92,428.48 is: 127,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,400.88 : 221,361.08 = 92,428.48 : x
  2. Step 2: Convert to fraction form
    160,400.88/221,361.08 = 92,428.48/x
  3. Step 3: Cross multiply
    160,400.88x = 221,361.08 × 92,428.48
  4. Step 4: Simplify right side
    160,400.88x = 20,460,068,155.56
  5. Step 5: Solve for x
    x = 20,460,068,155.56/160,400.88
  6. Step 6: Final answer
    x = 127,555.83

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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.