Home / 151,739.69-209,387.50-97,195.61

Finding the Fourth Proportional to 151,739.69, 209,387.50 and 97,195.61

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Solution

The fourth proportional to 151,739.69, 209,387.50 and 97,195.61 is: 134,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,739.69 : 209,387.50 = 97,195.61 : x
  2. Step 2: Convert to fraction form
    151,739.69/209,387.50 = 97,195.61/x
  3. Step 3: Cross multiply
    151,739.69x = 209,387.50 × 97,195.61
  4. Step 4: Simplify right side
    151,739.69x = 20,351,546,069.35
  5. Step 5: Solve for x
    x = 20,351,546,069.35/151,739.69
  6. Step 6: Final answer
    x = 134,121.45

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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.