Home / 192,555.31-265,705.87-106,500.63

Finding the Fourth Proportional to 192,555.31, 265,705.87 and 106,500.63

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Solution

The fourth proportional to 192,555.31, 265,705.87 and 106,500.63 is: 146,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,555.31 : 265,705.87 = 106,500.63 : x
  2. Step 2: Convert to fraction form
    192,555.31/265,705.87 = 106,500.63/x
  3. Step 3: Cross multiply
    192,555.31x = 265,705.87 × 106,500.63
  4. Step 4: Simplify right side
    192,555.31x = 28,297,842,549.70
  5. Step 5: Solve for x
    x = 28,297,842,549.70/192,555.31
  6. Step 6: Final answer
    x = 146,959.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.