Home / 208,058.38-287,120.46-117,433.35

Finding the Fourth Proportional to 208,058.38, 287,120.46 and 117,433.35

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Solution

The fourth proportional to 208,058.38, 287,120.46 and 117,433.35 is: 162,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,058.38 : 287,120.46 = 117,433.35 : x
  2. Step 2: Convert to fraction form
    208,058.38/287,120.46 = 117,433.35/x
  3. Step 3: Cross multiply
    208,058.38x = 287,120.46 × 117,433.35
  4. Step 4: Simplify right side
    208,058.38x = 33,717,517,911.72
  5. Step 5: Solve for x
    x = 33,717,517,911.72/208,058.38
  6. Step 6: Final answer
    x = 162,057.97

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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.