Home / 186,415.59-279,617.77-51,487.89

Finding the Fourth Proportional to 186,415.59, 279,617.77 and 51,487.89

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Solution

The fourth proportional to 186,415.59, 279,617.77 and 51,487.89 is: 77,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,415.59 : 279,617.77 = 51,487.89 : x
  2. Step 2: Convert to fraction form
    186,415.59/279,617.77 = 51,487.89/x
  3. Step 3: Cross multiply
    186,415.59x = 279,617.77 × 51,487.89
  4. Step 4: Simplify right side
    186,415.59x = 14,396,927,999.60
  5. Step 5: Solve for x
    x = 14,396,927,999.60/186,415.59
  6. Step 6: Final answer
    x = 77,230.28

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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.