Home / 209,863.63-289,603.35-114,368.27

Finding the Fourth Proportional to 209,863.63, 289,603.35 and 114,368.27

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Solution

The fourth proportional to 209,863.63, 289,603.35 and 114,368.27 is: 157,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,863.63 : 289,603.35 = 114,368.27 : x
  2. Step 2: Convert to fraction form
    209,863.63/289,603.35 = 114,368.27/x
  3. Step 3: Cross multiply
    209,863.63x = 289,603.35 × 114,368.27
  4. Step 4: Simplify right side
    209,863.63x = 33,121,434,125.70
  5. Step 5: Solve for x
    x = 33,121,434,125.70/209,863.63
  6. Step 6: Final answer
    x = 157,823.61

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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.