Home / 265,971.04-367,039.56-145,112.38

Finding the Fourth Proportional to 265,971.04, 367,039.56 and 145,112.38

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Solution

The fourth proportional to 265,971.04, 367,039.56 and 145,112.38 is: 200,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,971.04 : 367,039.56 = 145,112.38 : x
  2. Step 2: Convert to fraction form
    265,971.04/367,039.56 = 145,112.38/x
  3. Step 3: Cross multiply
    265,971.04x = 367,039.56 × 145,112.38
  4. Step 4: Simplify right side
    265,971.04x = 53,261,984,105.75
  5. Step 5: Solve for x
    x = 53,261,984,105.75/265,971.04
  6. Step 6: Final answer
    x = 200,254.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.