Home / 357,622.06-536,431.57-91,382.15

Finding the Fourth Proportional to 357,622.06, 536,431.57 and 91,382.15

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Solution

The fourth proportional to 357,622.06, 536,431.57 and 91,382.15 is: 137,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,622.06 : 536,431.57 = 91,382.15 : x
  2. Step 2: Convert to fraction form
    357,622.06/536,431.57 = 91,382.15/x
  3. Step 3: Cross multiply
    357,622.06x = 536,431.57 × 91,382.15
  4. Step 4: Simplify right side
    357,622.06x = 49,020,270,194.48
  5. Step 5: Solve for x
    x = 49,020,270,194.48/357,622.06
  6. Step 6: Final answer
    x = 137,072.84

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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.