Home / 209,625.84-289,276.11-114,130.35

Finding the Fourth Proportional to 209,625.84, 289,276.11 and 114,130.35

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Solution

The fourth proportional to 209,625.84, 289,276.11 and 114,130.35 is: 157,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,625.84 : 289,276.11 = 114,130.35 : x
  2. Step 2: Convert to fraction form
    209,625.84/289,276.11 = 114,130.35/x
  3. Step 3: Cross multiply
    209,625.84x = 289,276.11 × 114,130.35
  4. Step 4: Simplify right side
    209,625.84x = 33,015,183,680.94
  5. Step 5: Solve for x
    x = 33,015,183,680.94/209,625.84
  6. Step 6: Final answer
    x = 157,495.77

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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.