Home / 186,118.12-256,865.81-109,633.26

Finding the Fourth Proportional to 186,118.12, 256,865.81 and 109,633.26

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Solution

The fourth proportional to 186,118.12, 256,865.81 and 109,633.26 is: 151,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,118.12 : 256,865.81 = 109,633.26 : x
  2. Step 2: Convert to fraction form
    186,118.12/256,865.81 = 109,633.26/x
  3. Step 3: Cross multiply
    186,118.12x = 256,865.81 × 109,633.26
  4. Step 4: Simplify right side
    186,118.12x = 28,161,035,584.67
  5. Step 5: Solve for x
    x = 28,161,035,584.67/186,118.12
  6. Step 6: Final answer
    x = 151,307.33

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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.