Home / 209,869.92-289,613.10-114,374.70

Finding the Fourth Proportional to 209,869.92, 289,613.10 and 114,374.70

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Solution

The fourth proportional to 209,869.92, 289,613.10 and 114,374.70 is: 157,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,869.92 : 289,613.10 = 114,374.70 : x
  2. Step 2: Convert to fraction form
    209,869.92/289,613.10 = 114,374.70/x
  3. Step 3: Cross multiply
    209,869.92x = 289,613.10 × 114,374.70
  4. Step 4: Simplify right side
    209,869.92x = 33,124,411,428.57
  5. Step 5: Solve for x
    x = 33,124,411,428.57/209,869.92
  6. Step 6: Final answer
    x = 157,833.06

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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.