Home / 209,962.22-289,752.38-114,469.56

Finding the Fourth Proportional to 209,962.22, 289,752.38 and 114,469.56

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Solution

The fourth proportional to 209,962.22, 289,752.38 and 114,469.56 is: 157,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,962.22 : 289,752.38 = 114,469.56 : x
  2. Step 2: Convert to fraction form
    209,962.22/289,752.38 = 114,469.56/x
  3. Step 3: Cross multiply
    209,962.22x = 289,752.38 × 114,469.56
  4. Step 4: Simplify right side
    209,962.22x = 33,167,826,875.21
  5. Step 5: Solve for x
    x = 33,167,826,875.21/209,962.22
  6. Step 6: Final answer
    x = 157,970.46

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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.