Home / 155,167.20-232,750.80-92,181.60

Finding the Fourth Proportional to 155,167.20, 232,750.80 and 92,181.60

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Solution

The fourth proportional to 155,167.20, 232,750.80 and 92,181.60 is: 138,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,167.20 : 232,750.80 = 92,181.60 : x
  2. Step 2: Convert to fraction form
    155,167.20/232,750.80 = 92,181.60/x
  3. Step 3: Cross multiply
    155,167.20x = 232,750.80 × 92,181.60
  4. Step 4: Simplify right side
    155,167.20x = 21,455,341,145.28
  5. Step 5: Solve for x
    x = 21,455,341,145.28/155,167.20
  6. Step 6: Final answer
    x = 138,272.40

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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.