Home / 191,825.40-287,738.10-173,454.60

Finding the Fourth Proportional to 191,825.40, 287,738.10 and 173,454.60

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Solution

The fourth proportional to 191,825.40, 287,738.10 and 173,454.60 is: 260,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,825.40 : 287,738.10 = 173,454.60 : x
  2. Step 2: Convert to fraction form
    191,825.40/287,738.10 = 173,454.60/x
  3. Step 3: Cross multiply
    191,825.40x = 287,738.10 × 173,454.60
  4. Step 4: Simplify right side
    191,825.40x = 49,909,497,040.26
  5. Step 5: Solve for x
    x = 49,909,497,040.26/191,825.40
  6. Step 6: Final answer
    x = 260,181.90

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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.