Home / 209,625.22-289,279.11-114,130.27

Finding the Fourth Proportional to 209,625.22, 289,279.11 and 114,130.27

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Solution

The fourth proportional to 209,625.22, 289,279.11 and 114,130.27 is: 157,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,625.22 : 289,279.11 = 114,130.27 : x
  2. Step 2: Convert to fraction form
    209,625.22/289,279.11 = 114,130.27/x
  3. Step 3: Cross multiply
    209,625.22x = 289,279.11 × 114,130.27
  4. Step 4: Simplify right side
    209,625.22x = 33,015,502,929.66
  5. Step 5: Solve for x
    x = 33,015,502,929.66/209,625.22
  6. Step 6: Final answer
    x = 157,497.76

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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.