Home / 209,933.29-289,697.47-119,277.28

Finding the Fourth Proportional to 209,933.29, 289,697.47 and 119,277.28

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Solution

The fourth proportional to 209,933.29, 289,697.47 and 119,277.28 is: 164,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,933.29 : 289,697.47 = 119,277.28 : x
  2. Step 2: Convert to fraction form
    209,933.29/289,697.47 = 119,277.28/x
  3. Step 3: Cross multiply
    209,933.29x = 289,697.47 × 119,277.28
  4. Step 4: Simplify right side
    209,933.29x = 34,554,326,244.48
  5. Step 5: Solve for x
    x = 34,554,326,244.48/209,933.29
  6. Step 6: Final answer
    x = 164,596.70

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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.