Home / 132,899.04-199,348.56-91,219.68

Finding the Fourth Proportional to 132,899.04, 199,348.56 and 91,219.68

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Solution

The fourth proportional to 132,899.04, 199,348.56 and 91,219.68 is: 136,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,899.04 : 199,348.56 = 91,219.68 : x
  2. Step 2: Convert to fraction form
    132,899.04/199,348.56 = 91,219.68/x
  3. Step 3: Cross multiply
    132,899.04x = 199,348.56 × 91,219.68
  4. Step 4: Simplify right side
    132,899.04x = 18,184,511,851.66
  5. Step 5: Solve for x
    x = 18,184,511,851.66/132,899.04
  6. Step 6: Final answer
    x = 136,829.52

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1.5x scale

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.