Home / 209,904.44-289,665.18-114,411.51

Finding the Fourth Proportional to 209,904.44, 289,665.18 and 114,411.51

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Solution

The fourth proportional to 209,904.44, 289,665.18 and 114,411.51 is: 157,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,904.44 : 289,665.18 = 114,411.51 : x
  2. Step 2: Convert to fraction form
    209,904.44/289,665.18 = 114,411.51/x
  3. Step 3: Cross multiply
    209,904.44x = 289,665.18 × 114,411.51
  4. Step 4: Simplify right side
    209,904.44x = 33,141,030,638.22
  5. Step 5: Solve for x
    x = 33,141,030,638.22/209,904.44
  6. Step 6: Final answer
    x = 157,886.28

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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.