Home / 124,625.35-186,999.02-77,227.75

Finding the Fourth Proportional to 124,625.35, 186,999.02 and 77,227.75

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Solution

The fourth proportional to 124,625.35, 186,999.02 and 77,227.75 is: 115,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,625.35 : 186,999.02 = 77,227.75 : x
  2. Step 2: Convert to fraction form
    124,625.35/186,999.02 = 77,227.75/x
  3. Step 3: Cross multiply
    124,625.35x = 186,999.02 × 77,227.75
  4. Step 4: Simplify right side
    124,625.35x = 14,441,513,566.81
  5. Step 5: Solve for x
    x = 14,441,513,566.81/124,625.35
  6. Step 6: Final answer
    x = 115,879.42

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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.