Home / 160,412.42-221,385.62-92,431.96

Finding the Fourth Proportional to 160,412.42, 221,385.62 and 92,431.96

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Solution

The fourth proportional to 160,412.42, 221,385.62 and 92,431.96 is: 127,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,412.42 : 221,385.62 = 92,431.96 : x
  2. Step 2: Convert to fraction form
    160,412.42/221,385.62 = 92,431.96/x
  3. Step 3: Cross multiply
    160,412.42x = 221,385.62 × 92,431.96
  4. Step 4: Simplify right side
    160,412.42x = 20,463,106,772.42
  5. Step 5: Solve for x
    x = 20,463,106,772.42/160,412.42
  6. Step 6: Final answer
    x = 127,565.60

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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.