Home / 154,475.22-213,181-86,495.02

Finding the Fourth Proportional to 154,475.22, 213,181 and 86,495.02

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Solution

The fourth proportional to 154,475.22, 213,181 and 86,495.02 is: 119,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,475.22 : 213,181 = 86,495.02 : x
  2. Step 2: Convert to fraction form
    154,475.22/213,181 = 86,495.02/x
  3. Step 3: Cross multiply
    154,475.22x = 213,181 × 86,495.02
  4. Step 4: Simplify right side
    154,475.22x = 18,439,094,858.62
  5. Step 5: Solve for x
    x = 18,439,094,858.62/154,475.22
  6. Step 6: Final answer
    x = 119,366.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.