Home / 189,084.08-260,941.80-108,526.28

Finding the Fourth Proportional to 189,084.08, 260,941.80 and 108,526.28

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Solution

The fourth proportional to 189,084.08, 260,941.80 and 108,526.28 is: 149,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,084.08 : 260,941.80 = 108,526.28 : x
  2. Step 2: Convert to fraction form
    189,084.08/260,941.80 = 108,526.28/x
  3. Step 3: Cross multiply
    189,084.08x = 260,941.80 × 108,526.28
  4. Step 4: Simplify right side
    189,084.08x = 28,319,042,850.50
  5. Step 5: Solve for x
    x = 28,319,042,850.50/189,084.08
  6. Step 6: Final answer
    x = 149,769.58

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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.