Home / 254,927.10-382,390.65-136,829.10

Finding the Fourth Proportional to 254,927.10, 382,390.65 and 136,829.10

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Solution

The fourth proportional to 254,927.10, 382,390.65 and 136,829.10 is: 205,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,927.10 : 382,390.65 = 136,829.10 : x
  2. Step 2: Convert to fraction form
    254,927.10/382,390.65 = 136,829.10/x
  3. Step 3: Cross multiply
    254,927.10x = 382,390.65 × 136,829.10
  4. Step 4: Simplify right side
    254,927.10x = 52,322,168,487.92
  5. Step 5: Solve for x
    x = 52,322,168,487.92/254,927.10
  6. Step 6: Final answer
    x = 205,243.65

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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.