Home / 188,931.51-260,723.88-104,046.75

Finding the Fourth Proportional to 188,931.51, 260,723.88 and 104,046.75

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Solution

The fourth proportional to 188,931.51, 260,723.88 and 104,046.75 is: 143,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,931.51 : 260,723.88 = 104,046.75 : x
  2. Step 2: Convert to fraction form
    188,931.51/260,723.88 = 104,046.75/x
  3. Step 3: Cross multiply
    188,931.51x = 260,723.88 × 104,046.75
  4. Step 4: Simplify right side
    188,931.51x = 27,127,472,361.39
  5. Step 5: Solve for x
    x = 27,127,472,361.39/188,931.51
  6. Step 6: Final answer
    x = 143,583.63

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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.