Home / 208,815.66-287,975.70-176,617.89

Finding the Fourth Proportional to 208,815.66, 287,975.70 and 176,617.89

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Solution

The fourth proportional to 208,815.66, 287,975.70 and 176,617.89 is: 243,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,815.66 : 287,975.70 = 176,617.89 : x
  2. Step 2: Convert to fraction form
    208,815.66/287,975.70 = 176,617.89/x
  3. Step 3: Cross multiply
    208,815.66x = 287,975.70 × 176,617.89
  4. Step 4: Simplify right side
    208,815.66x = 50,861,660,505.27
  5. Step 5: Solve for x
    x = 50,861,660,505.27/208,815.66
  6. Step 6: Final answer
    x = 243,572.06

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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.