Home / 209,513.75-289,135.02-114,026.49

Finding the Fourth Proportional to 209,513.75, 289,135.02 and 114,026.49

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Solution

The fourth proportional to 209,513.75, 289,135.02 and 114,026.49 is: 157,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,513.75 : 289,135.02 = 114,026.49 : x
  2. Step 2: Convert to fraction form
    209,513.75/289,135.02 = 114,026.49/x
  3. Step 3: Cross multiply
    209,513.75x = 289,135.02 × 114,026.49
  4. Step 4: Simplify right side
    209,513.75x = 32,969,051,466.68
  5. Step 5: Solve for x
    x = 32,969,051,466.68/209,513.75
  6. Step 6: Final answer
    x = 157,359.85

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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.