Home / 207,795.25-286,758.75-112,301.72

Finding the Fourth Proportional to 207,795.25, 286,758.75 and 112,301.72

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Solution

The fourth proportional to 207,795.25, 286,758.75 and 112,301.72 is: 154,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,795.25 : 286,758.75 = 112,301.72 : x
  2. Step 2: Convert to fraction form
    207,795.25/286,758.75 = 112,301.72/x
  3. Step 3: Cross multiply
    207,795.25x = 286,758.75 × 112,301.72
  4. Step 4: Simplify right side
    207,795.25x = 32,203,499,837.39
  5. Step 5: Solve for x
    x = 32,203,499,837.39/207,795.25
  6. Step 6: Final answer
    x = 154,977.08

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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.