Home / 351,422.16-527,133.31-126,782.52

Finding the Fourth Proportional to 351,422.16, 527,133.31 and 126,782.52

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Solution

The fourth proportional to 351,422.16, 527,133.31 and 126,782.52 is: 190,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,422.16 : 527,133.31 = 126,782.52 : x
  2. Step 2: Convert to fraction form
    351,422.16/527,133.31 = 126,782.52/x
  3. Step 3: Cross multiply
    351,422.16x = 527,133.31 × 126,782.52
  4. Step 4: Simplify right side
    351,422.16x = 66,831,289,417.74
  5. Step 5: Solve for x
    x = 66,831,289,417.74/351,422.16
  6. Step 6: Final answer
    x = 190,173.81

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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.