Home / 235,764.03-325,361.70-128,341.22

Finding the Fourth Proportional to 235,764.03, 325,361.70 and 128,341.22

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Solution

The fourth proportional to 235,764.03, 325,361.70 and 128,341.22 is: 177,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,764.03 : 325,361.70 = 128,341.22 : x
  2. Step 2: Convert to fraction form
    235,764.03/325,361.70 = 128,341.22/x
  3. Step 3: Cross multiply
    235,764.03x = 325,361.70 × 128,341.22
  4. Step 4: Simplify right side
    235,764.03x = 41,757,318,332.68
  5. Step 5: Solve for x
    x = 41,757,318,332.68/235,764.03
  6. Step 6: Final answer
    x = 177,114.88

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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.