Home / 209,109.08-313,662.24-59,349.47

Finding the Fourth Proportional to 209,109.08, 313,662.24 and 59,349.47

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Solution

The fourth proportional to 209,109.08, 313,662.24 and 59,349.47 is: 89,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,109.08 : 313,662.24 = 59,349.47 : x
  2. Step 2: Convert to fraction form
    209,109.08/313,662.24 = 59,349.47/x
  3. Step 3: Cross multiply
    209,109.08x = 313,662.24 × 59,349.47
  4. Step 4: Simplify right side
    209,109.08x = 18,615,686,134.70
  5. Step 5: Solve for x
    x = 18,615,686,134.70/209,109.08
  6. Step 6: Final answer
    x = 89,023.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.