Home / 188,549.74-260,191.98-103,666.14

Finding the Fourth Proportional to 188,549.74, 260,191.98 and 103,666.14

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Solution

The fourth proportional to 188,549.74, 260,191.98 and 103,666.14 is: 143,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,549.74 : 260,191.98 = 103,666.14 : x
  2. Step 2: Convert to fraction form
    188,549.74/260,191.98 = 103,666.14/x
  3. Step 3: Cross multiply
    188,549.74x = 260,191.98 × 103,666.14
  4. Step 4: Simplify right side
    188,549.74x = 26,973,098,225.56
  5. Step 5: Solve for x
    x = 26,973,098,225.56/188,549.74
  6. Step 6: Final answer
    x = 143,055.61

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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.