Home / 208,016.04-287,062.19-117,391.21

Finding the Fourth Proportional to 208,016.04, 287,062.19 and 117,391.21

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Solution

The fourth proportional to 208,016.04, 287,062.19 and 117,391.21 is: 161,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,016.04 : 287,062.19 = 117,391.21 : x
  2. Step 2: Convert to fraction form
    208,016.04/287,062.19 = 117,391.21/x
  3. Step 3: Cross multiply
    208,016.04x = 287,062.19 × 117,391.21
  4. Step 4: Simplify right side
    208,016.04x = 33,698,577,829.35
  5. Step 5: Solve for x
    x = 33,698,577,829.35/208,016.04
  6. Step 6: Final answer
    x = 161,999.90

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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.