Home / 147,231.79-220,892.02-52,449.60

Finding the Fourth Proportional to 147,231.79, 220,892.02 and 52,449.60

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Solution

The fourth proportional to 147,231.79, 220,892.02 and 52,449.60 is: 78,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,231.79 : 220,892.02 = 52,449.60 : x
  2. Step 2: Convert to fraction form
    147,231.79/220,892.02 = 52,449.60/x
  3. Step 3: Cross multiply
    147,231.79x = 220,892.02 × 52,449.60
  4. Step 4: Simplify right side
    147,231.79x = 11,585,698,092.19
  5. Step 5: Solve for x
    x = 11,585,698,092.19/147,231.79
  6. Step 6: Final answer
    x = 78,690.19

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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.