Home / 123,495.60-185,242.86-30,001.62

Finding the Fourth Proportional to 123,495.60, 185,242.86 and 30,001.62

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Solution

The fourth proportional to 123,495.60, 185,242.86 and 30,001.62 is: 45,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,495.60 : 185,242.86 = 30,001.62 : x
  2. Step 2: Convert to fraction form
    123,495.60/185,242.86 = 30,001.62/x
  3. Step 3: Cross multiply
    123,495.60x = 185,242.86 × 30,001.62
  4. Step 4: Simplify right side
    123,495.60x = 5,557,585,893.43
  5. Step 5: Solve for x
    x = 5,557,585,893.43/123,495.60
  6. Step 6: Final answer
    x = 45,002.30

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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.