Home / 186,909.96-257,936.58-102,028.80

Finding the Fourth Proportional to 186,909.96, 257,936.58 and 102,028.80

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Solution

The fourth proportional to 186,909.96, 257,936.58 and 102,028.80 is: 140,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,909.96 : 257,936.58 = 102,028.80 : x
  2. Step 2: Convert to fraction form
    186,909.96/257,936.58 = 102,028.80/x
  3. Step 3: Cross multiply
    186,909.96x = 257,936.58 × 102,028.80
  4. Step 4: Simplify right side
    186,909.96x = 26,316,959,733.50
  5. Step 5: Solve for x
    x = 26,316,959,733.50/186,909.96
  6. Step 6: Final answer
    x = 140,800.20

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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.