Home / 254,825.10-382,140.45-77,273.10

Finding the Fourth Proportional to 254,825.10, 382,140.45 and 77,273.10

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Solution

The fourth proportional to 254,825.10, 382,140.45 and 77,273.10 is: 115,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,825.10 : 382,140.45 = 77,273.10 : x
  2. Step 2: Convert to fraction form
    254,825.10/382,140.45 = 77,273.10/x
  3. Step 3: Cross multiply
    254,825.10x = 382,140.45 × 77,273.10
  4. Step 4: Simplify right side
    254,825.10x = 29,529,177,206.90
  5. Step 5: Solve for x
    x = 29,529,177,206.90/254,825.10
  6. Step 6: Final answer
    x = 115,880.18

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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.