Home / 190,833.13-285,813.71-91,063.39

Finding the Fourth Proportional to 190,833.13, 285,813.71 and 91,063.39

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Solution

The fourth proportional to 190,833.13, 285,813.71 and 91,063.39 is: 136,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,833.13 : 285,813.71 = 91,063.39 : x
  2. Step 2: Convert to fraction form
    190,833.13/285,813.71 = 91,063.39/x
  3. Step 3: Cross multiply
    190,833.13x = 285,813.71 × 91,063.39
  4. Step 4: Simplify right side
    190,833.13x = 26,027,165,341.08
  5. Step 5: Solve for x
    x = 26,027,165,341.08/190,833.13
  6. Step 6: Final answer
    x = 136,387.04

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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.