Home / 151,939.08-209,539.73-126,529.59

Finding the Fourth Proportional to 151,939.08, 209,539.73 and 126,529.59

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Solution

The fourth proportional to 151,939.08, 209,539.73 and 126,529.59 is: 174,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,939.08 : 209,539.73 = 126,529.59 : x
  2. Step 2: Convert to fraction form
    151,939.08/209,539.73 = 126,529.59/x
  3. Step 3: Cross multiply
    151,939.08x = 209,539.73 × 126,529.59
  4. Step 4: Simplify right side
    151,939.08x = 26,512,975,492.96
  5. Step 5: Solve for x
    x = 26,512,975,492.96/151,939.08
  6. Step 6: Final answer
    x = 174,497.41

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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.