Home / 209,617.68-289,272.42-114,124.38

Finding the Fourth Proportional to 209,617.68, 289,272.42 and 114,124.38

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Solution

The fourth proportional to 209,617.68, 289,272.42 and 114,124.38 is: 157,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,617.68 : 289,272.42 = 114,124.38 : x
  2. Step 2: Convert to fraction form
    209,617.68/289,272.42 = 114,124.38/x
  3. Step 3: Cross multiply
    209,617.68x = 289,272.42 × 114,124.38
  4. Step 4: Simplify right side
    209,617.68x = 33,013,035,583.60
  5. Step 5: Solve for x
    x = 33,013,035,583.60/209,617.68
  6. Step 6: Final answer
    x = 157,491.66

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1.5x scale

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.