Home / 268,482.22-402,721.52-91,114.10

Finding the Fourth Proportional to 268,482.22, 402,721.52 and 91,114.10

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Solution

The fourth proportional to 268,482.22, 402,721.52 and 91,114.10 is: 136,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,482.22 : 402,721.52 = 91,114.10 : x
  2. Step 2: Convert to fraction form
    268,482.22/402,721.52 = 91,114.10/x
  3. Step 3: Cross multiply
    268,482.22x = 402,721.52 × 91,114.10
  4. Step 4: Simplify right side
    268,482.22x = 36,693,608,845.43
  5. Step 5: Solve for x
    x = 36,693,608,845.43/268,482.22
  6. Step 6: Final answer
    x = 136,670.54

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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.