Home / 209,521.64-289,134.32-114,026.29

Finding the Fourth Proportional to 209,521.64, 289,134.32 and 114,026.29

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Solution

The fourth proportional to 209,521.64, 289,134.32 and 114,026.29 is: 157,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,521.64 : 289,134.32 = 114,026.29 : x
  2. Step 2: Convert to fraction form
    209,521.64/289,134.32 = 114,026.29/x
  3. Step 3: Cross multiply
    209,521.64x = 289,134.32 × 114,026.29
  4. Step 4: Simplify right side
    209,521.64x = 32,968,913,383.50
  5. Step 5: Solve for x
    x = 32,968,913,383.50/209,521.64
  6. Step 6: Final answer
    x = 157,353.26

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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.