Home / 207,606.82-286,497.40-112,113.51

Finding the Fourth Proportional to 207,606.82, 286,497.40 and 112,113.51

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Solution

The fourth proportional to 207,606.82, 286,497.40 and 112,113.51 is: 154,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,606.82 : 286,497.40 = 112,113.51 : x
  2. Step 2: Convert to fraction form
    207,606.82/286,497.40 = 112,113.51/x
  3. Step 3: Cross multiply
    207,606.82x = 286,497.40 × 112,113.51
  4. Step 4: Simplify right side
    207,606.82x = 32,120,229,119.87
  5. Step 5: Solve for x
    x = 32,120,229,119.87/207,606.82
  6. Step 6: Final answer
    x = 154,716.64

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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.