Home / 209,609.01-289,251.36-114,116.04

Finding the Fourth Proportional to 209,609.01, 289,251.36 and 114,116.04

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Solution

The fourth proportional to 209,609.01, 289,251.36 and 114,116.04 is: 157,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,609.01 : 289,251.36 = 114,116.04 : x
  2. Step 2: Convert to fraction form
    209,609.01/289,251.36 = 114,116.04/x
  3. Step 3: Cross multiply
    209,609.01x = 289,251.36 × 114,116.04
  4. Step 4: Simplify right side
    209,609.01x = 33,008,219,767.81
  5. Step 5: Solve for x
    x = 33,008,219,767.81/209,609.01
  6. Step 6: Final answer
    x = 157,475.20

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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.