Home / 208,101.60-287,181.20-117,461.40

Finding the Fourth Proportional to 208,101.60, 287,181.20 and 117,461.40

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Solution

The fourth proportional to 208,101.60, 287,181.20 and 117,461.40 is: 162,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,101.60 : 287,181.20 = 117,461.40 : x
  2. Step 2: Convert to fraction form
    208,101.60/287,181.20 = 117,461.40/x
  3. Step 3: Cross multiply
    208,101.60x = 287,181.20 × 117,461.40
  4. Step 4: Simplify right side
    208,101.60x = 33,732,705,805.68
  5. Step 5: Solve for x
    x = 33,732,705,805.68/208,101.60
  6. Step 6: Final answer
    x = 162,097.29

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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.