Home / 245,210.96-338,427.72-149,772.56

Finding the Fourth Proportional to 245,210.96, 338,427.72 and 149,772.56

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Solution

The fourth proportional to 245,210.96, 338,427.72 and 149,772.56 is: 206,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,210.96 : 338,427.72 = 149,772.56 : x
  2. Step 2: Convert to fraction form
    245,210.96/338,427.72 = 149,772.56/x
  3. Step 3: Cross multiply
    245,210.96x = 338,427.72 × 149,772.56
  4. Step 4: Simplify right side
    245,210.96x = 50,687,185,999.36
  5. Step 5: Solve for x
    x = 50,687,185,999.36/245,210.96
  6. Step 6: Final answer
    x = 206,708.48

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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.