Home / 132,720.02-199,080.06-39,218.48

Finding the Fourth Proportional to 132,720.02, 199,080.06 and 39,218.48

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Solution

The fourth proportional to 132,720.02, 199,080.06 and 39,218.48 is: 58,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,720.02 : 199,080.06 = 39,218.48 : x
  2. Step 2: Convert to fraction form
    132,720.02/199,080.06 = 39,218.48/x
  3. Step 3: Cross multiply
    132,720.02x = 199,080.06 × 39,218.48
  4. Step 4: Simplify right side
    132,720.02x = 7,807,617,351.51
  5. Step 5: Solve for x
    x = 7,807,617,351.51/132,720.02
  6. Step 6: Final answer
    x = 58,827.73

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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.