Home / 208,849.41-288,190.17-118,190.97

Finding the Fourth Proportional to 208,849.41, 288,190.17 and 118,190.97

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Solution

The fourth proportional to 208,849.41, 288,190.17 and 118,190.97 is: 163,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,849.41 : 288,190.17 = 118,190.97 : x
  2. Step 2: Convert to fraction form
    208,849.41/288,190.17 = 118,190.97/x
  3. Step 3: Cross multiply
    208,849.41x = 288,190.17 × 118,190.97
  4. Step 4: Simplify right side
    208,849.41x = 34,061,475,736.76
  5. Step 5: Solve for x
    x = 34,061,475,736.76/208,849.41
  6. Step 6: Final answer
    x = 163,091.08

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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.