Home / 151,606.22-209,235.96-126,068.66

Finding the Fourth Proportional to 151,606.22, 209,235.96 and 126,068.66

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Solution

The fourth proportional to 151,606.22, 209,235.96 and 126,068.66 is: 173,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,606.22 : 209,235.96 = 126,068.66 : x
  2. Step 2: Convert to fraction form
    151,606.22/209,235.96 = 126,068.66/x
  3. Step 3: Cross multiply
    151,606.22x = 209,235.96 × 126,068.66
  4. Step 4: Simplify right side
    151,606.22x = 26,378,097,101.01
  5. Step 5: Solve for x
    x = 26,378,097,101.01/151,606.22
  6. Step 6: Final answer
    x = 173,990.86

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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.