Home / 229,345.12-343,990.97-60,878.52

Finding the Fourth Proportional to 229,345.12, 343,990.97 and 60,878.52

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Solution

The fourth proportional to 229,345.12, 343,990.97 and 60,878.52 is: 91,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,345.12 : 343,990.97 = 60,878.52 : x
  2. Step 2: Convert to fraction form
    229,345.12/343,990.97 = 60,878.52/x
  3. Step 3: Cross multiply
    229,345.12x = 343,990.97 × 60,878.52
  4. Step 4: Simplify right side
    229,345.12x = 20,941,661,070.87
  5. Step 5: Solve for x
    x = 20,941,661,070.87/229,345.12
  6. Step 6: Final answer
    x = 91,310.69

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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.