Home / 207,860.69-286,847.79-112,367.36

Finding the Fourth Proportional to 207,860.69, 286,847.79 and 112,367.36

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Solution

The fourth proportional to 207,860.69, 286,847.79 and 112,367.36 is: 155,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,860.69 : 286,847.79 = 112,367.36 : x
  2. Step 2: Convert to fraction form
    207,860.69/286,847.79 = 112,367.36/x
  3. Step 3: Cross multiply
    207,860.69x = 286,847.79 × 112,367.36
  4. Step 4: Simplify right side
    207,860.69x = 32,232,327,449.90
  5. Step 5: Solve for x
    x = 32,232,327,449.90/207,860.69
  6. Step 6: Final answer
    x = 155,066.97

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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.