Home / 209,818.56-289,553.04-114,329.28

Finding the Fourth Proportional to 209,818.56, 289,553.04 and 114,329.28

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Solution

The fourth proportional to 209,818.56, 289,553.04 and 114,329.28 is: 157,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,818.56 : 289,553.04 = 114,329.28 : x
  2. Step 2: Convert to fraction form
    209,818.56/289,553.04 = 114,329.28/x
  3. Step 3: Cross multiply
    209,818.56x = 289,553.04 × 114,329.28
  4. Step 4: Simplify right side
    209,818.56x = 33,104,390,585.01
  5. Step 5: Solve for x
    x = 33,104,390,585.01/209,818.56
  6. Step 6: Final answer
    x = 157,776.27

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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.