Home / 209,538.12-289,153.08-114,044.52

Finding the Fourth Proportional to 209,538.12, 289,153.08 and 114,044.52

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Solution

The fourth proportional to 209,538.12, 289,153.08 and 114,044.52 is: 157,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,538.12 : 289,153.08 = 114,044.52 : x
  2. Step 2: Convert to fraction form
    209,538.12/289,153.08 = 114,044.52/x
  3. Step 3: Cross multiply
    209,538.12x = 289,153.08 × 114,044.52
  4. Step 4: Simplify right side
    209,538.12x = 32,976,324,215.12
  5. Step 5: Solve for x
    x = 32,976,324,215.12/209,538.12
  6. Step 6: Final answer
    x = 157,376.25

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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.