Home / 155,358.56-232,876.32-105,442.72

Finding the Fourth Proportional to 155,358.56, 232,876.32 and 105,442.72

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Solution

The fourth proportional to 155,358.56, 232,876.32 and 105,442.72 is: 158,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,358.56 : 232,876.32 = 105,442.72 : x
  2. Step 2: Convert to fraction form
    155,358.56/232,876.32 = 105,442.72/x
  3. Step 3: Cross multiply
    155,358.56x = 232,876.32 × 105,442.72
  4. Step 4: Simplify right side
    155,358.56x = 24,555,112,604.39
  5. Step 5: Solve for x
    x = 24,555,112,604.39/155,358.56
  6. Step 6: Final answer
    x = 158,054.46

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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.