Home / 209,904.24-289,667.43-114,410.64

Finding the Fourth Proportional to 209,904.24, 289,667.43 and 114,410.64

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Solution

The fourth proportional to 209,904.24, 289,667.43 and 114,410.64 is: 157,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,904.24 : 289,667.43 = 114,410.64 : x
  2. Step 2: Convert to fraction form
    209,904.24/289,667.43 = 114,410.64/x
  3. Step 3: Cross multiply
    209,904.24x = 289,667.43 × 114,410.64
  4. Step 4: Simplify right side
    209,904.24x = 33,141,036,053.46
  5. Step 5: Solve for x
    x = 33,141,036,053.46/209,904.24
  6. Step 6: Final answer
    x = 157,886.45

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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.