Home / 209,609.24-289,266.80-114,117.56

Finding the Fourth Proportional to 209,609.24, 289,266.80 and 114,117.56

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Solution

The fourth proportional to 209,609.24, 289,266.80 and 114,117.56 is: 157,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,609.24 : 289,266.80 = 114,117.56 : x
  2. Step 2: Convert to fraction form
    209,609.24/289,266.80 = 114,117.56/x
  3. Step 3: Cross multiply
    209,609.24x = 289,266.80 × 114,117.56
  4. Step 4: Simplify right side
    209,609.24x = 33,010,421,405.01
  5. Step 5: Solve for x
    x = 33,010,421,405.01/209,609.24
  6. Step 6: Final answer
    x = 157,485.53

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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.