Home / 136,447.02-204,741.60-103,157.22

Finding the Fourth Proportional to 136,447.02, 204,741.60 and 103,157.22

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Solution

The fourth proportional to 136,447.02, 204,741.60 and 103,157.22 is: 154,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,447.02 : 204,741.60 = 103,157.22 : x
  2. Step 2: Convert to fraction form
    136,447.02/204,741.60 = 103,157.22/x
  3. Step 3: Cross multiply
    136,447.02x = 204,741.60 × 103,157.22
  4. Step 4: Simplify right side
    136,447.02x = 21,120,574,274.35
  5. Step 5: Solve for x
    x = 21,120,574,274.35/136,447.02
  6. Step 6: Final answer
    x = 154,789.56

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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.