Home / 255,116.33-382,542.14-75,178.48

Finding the Fourth Proportional to 255,116.33, 382,542.14 and 75,178.48

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Solution

The fourth proportional to 255,116.33, 382,542.14 and 75,178.48 is: 112,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,116.33 : 382,542.14 = 75,178.48 : x
  2. Step 2: Convert to fraction form
    255,116.33/382,542.14 = 75,178.48/x
  3. Step 3: Cross multiply
    255,116.33x = 382,542.14 × 75,178.48
  4. Step 4: Simplify right side
    255,116.33x = 28,758,936,570.00
  5. Step 5: Solve for x
    x = 28,758,936,570.00/255,116.33
  6. Step 6: Final answer
    x = 112,728.72

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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.