Home / 190,308.32-285,268.08-123,881.84

Finding the Fourth Proportional to 190,308.32, 285,268.08 and 123,881.84

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Solution

The fourth proportional to 190,308.32, 285,268.08 and 123,881.84 is: 185,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,308.32 : 285,268.08 = 123,881.84 : x
  2. Step 2: Convert to fraction form
    190,308.32/285,268.08 = 123,881.84/x
  3. Step 3: Cross multiply
    190,308.32x = 285,268.08 × 123,881.84
  4. Step 4: Simplify right side
    190,308.32x = 35,339,534,643.67
  5. Step 5: Solve for x
    x = 35,339,534,643.67/190,308.32
  6. Step 6: Final answer
    x = 185,696.21

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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.