Home / 208,043.90-287,097.78-116,164.61

Finding the Fourth Proportional to 208,043.90, 287,097.78 and 116,164.61

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Solution

The fourth proportional to 208,043.90, 287,097.78 and 116,164.61 is: 160,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,043.90 : 287,097.78 = 116,164.61 : x
  2. Step 2: Convert to fraction form
    208,043.90/287,097.78 = 116,164.61/x
  3. Step 3: Cross multiply
    208,043.90x = 287,097.78 × 116,164.61
  4. Step 4: Simplify right side
    208,043.90x = 33,350,601,645.57
  5. Step 5: Solve for x
    x = 33,350,601,645.57/208,043.90
  6. Step 6: Final answer
    x = 160,305.60

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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.