Home / 209,783.03-289,501.13-114,290.42

Finding the Fourth Proportional to 209,783.03, 289,501.13 and 114,290.42

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Solution

The fourth proportional to 209,783.03, 289,501.13 and 114,290.42 is: 157,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,783.03 : 289,501.13 = 114,290.42 : x
  2. Step 2: Convert to fraction form
    209,783.03/289,501.13 = 114,290.42/x
  3. Step 3: Cross multiply
    209,783.03x = 289,501.13 × 114,290.42
  4. Step 4: Simplify right side
    209,783.03x = 33,087,204,576.40
  5. Step 5: Solve for x
    x = 33,087,204,576.40/209,783.03
  6. Step 6: Final answer
    x = 157,721.08

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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.