Home / 227,119.34-313,420.56-125,154.21

Finding the Fourth Proportional to 227,119.34, 313,420.56 and 125,154.21

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Solution

The fourth proportional to 227,119.34, 313,420.56 and 125,154.21 is: 172,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,119.34 : 313,420.56 = 125,154.21 : x
  2. Step 2: Convert to fraction form
    227,119.34/313,420.56 = 125,154.21/x
  3. Step 3: Cross multiply
    227,119.34x = 313,420.56 × 125,154.21
  4. Step 4: Simplify right side
    227,119.34x = 39,225,903,759.88
  5. Step 5: Solve for x
    x = 39,225,903,759.88/227,119.34
  6. Step 6: Final answer
    x = 172,710.54

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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.