Home / 154,730.20-232,095.30-80,848.60

Finding the Fourth Proportional to 154,730.20, 232,095.30 and 80,848.60

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Solution

The fourth proportional to 154,730.20, 232,095.30 and 80,848.60 is: 121,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,730.20 : 232,095.30 = 80,848.60 : x
  2. Step 2: Convert to fraction form
    154,730.20/232,095.30 = 80,848.60/x
  3. Step 3: Cross multiply
    154,730.20x = 232,095.30 × 80,848.60
  4. Step 4: Simplify right side
    154,730.20x = 18,764,580,071.58
  5. Step 5: Solve for x
    x = 18,764,580,071.58/154,730.20
  6. Step 6: Final answer
    x = 121,272.90

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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.