Home / 281,565.86-388,567.13-160,704.64

Finding the Fourth Proportional to 281,565.86, 388,567.13 and 160,704.64

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Solution

The fourth proportional to 281,565.86, 388,567.13 and 160,704.64 is: 221,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,565.86 : 388,567.13 = 160,704.64 : x
  2. Step 2: Convert to fraction form
    281,565.86/388,567.13 = 160,704.64/x
  3. Step 3: Cross multiply
    281,565.86x = 388,567.13 × 160,704.64
  4. Step 4: Simplify right side
    281,565.86x = 62,444,540,424.67
  5. Step 5: Solve for x
    x = 62,444,540,424.67/281,565.86
  6. Step 6: Final answer
    x = 221,775.97

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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.