Home / 188,527.23-260,160.93-103,643.64

Finding the Fourth Proportional to 188,527.23, 260,160.93 and 103,643.64

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Solution

The fourth proportional to 188,527.23, 260,160.93 and 103,643.64 is: 143,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,527.23 : 260,160.93 = 103,643.64 : x
  2. Step 2: Convert to fraction form
    188,527.23/260,160.93 = 103,643.64/x
  3. Step 3: Cross multiply
    188,527.23x = 260,160.93 × 103,643.64
  4. Step 4: Simplify right side
    188,527.23x = 26,964,025,770.99
  5. Step 5: Solve for x
    x = 26,964,025,770.99/188,527.23
  6. Step 6: Final answer
    x = 143,024.57

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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.