Home / 126,849.12-190,202.40-63,528

Finding the Fourth Proportional to 126,849.12, 190,202.40 and 63,528

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Solution

The fourth proportional to 126,849.12, 190,202.40 and 63,528 is: 95,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,849.12 : 190,202.40 = 63,528 : x
  2. Step 2: Convert to fraction form
    126,849.12/190,202.40 = 63,528/x
  3. Step 3: Cross multiply
    126,849.12x = 190,202.40 × 63,528
  4. Step 4: Simplify right side
    126,849.12x = 12,083,178,067.20
  5. Step 5: Solve for x
    x = 12,083,178,067.20/126,849.12
  6. Step 6: Final answer
    x = 95,256.30

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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.