Home / 191,961.33-287,941.95-103,092.60

Finding the Fourth Proportional to 191,961.33, 287,941.95 and 103,092.60

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Solution

The fourth proportional to 191,961.33, 287,941.95 and 103,092.60 is: 154,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,961.33 : 287,941.95 = 103,092.60 : x
  2. Step 2: Convert to fraction form
    191,961.33/287,941.95 = 103,092.60/x
  3. Step 3: Cross multiply
    191,961.33x = 287,941.95 × 103,092.60
  4. Step 4: Simplify right side
    191,961.33x = 29,684,684,274.57
  5. Step 5: Solve for x
    x = 29,684,684,274.57/191,961.33
  6. Step 6: Final answer
    x = 154,638.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.