Home / 209,582.31-289,222.14-114,088.77

Finding the Fourth Proportional to 209,582.31, 289,222.14 and 114,088.77

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Solution

The fourth proportional to 209,582.31, 289,222.14 and 114,088.77 is: 157,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,582.31 : 289,222.14 = 114,088.77 : x
  2. Step 2: Convert to fraction form
    209,582.31/289,222.14 = 114,088.77/x
  3. Step 3: Cross multiply
    209,582.31x = 289,222.14 × 114,088.77
  4. Step 4: Simplify right side
    209,582.31x = 32,996,998,209.37
  5. Step 5: Solve for x
    x = 32,996,998,209.37/209,582.31
  6. Step 6: Final answer
    x = 157,441.71

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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.