Home / 209,813.57-289,534.60-114,320.98

Finding the Fourth Proportional to 209,813.57, 289,534.60 and 114,320.98

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Solution

The fourth proportional to 209,813.57, 289,534.60 and 114,320.98 is: 157,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,813.57 : 289,534.60 = 114,320.98 : x
  2. Step 2: Convert to fraction form
    209,813.57/289,534.60 = 114,320.98/x
  3. Step 3: Cross multiply
    209,813.57x = 289,534.60 × 114,320.98
  4. Step 4: Simplify right side
    209,813.57x = 33,099,879,215.91
  5. Step 5: Solve for x
    x = 33,099,879,215.91/209,813.57
  6. Step 6: Final answer
    x = 157,758.52

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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.