Home / 152,990.37-229,486.77-53,151.39

Finding the Fourth Proportional to 152,990.37, 229,486.77 and 53,151.39

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Solution

The fourth proportional to 152,990.37, 229,486.77 and 53,151.39 is: 79,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,990.37 : 229,486.77 = 53,151.39 : x
  2. Step 2: Convert to fraction form
    152,990.37/229,486.77 = 53,151.39/x
  3. Step 3: Cross multiply
    152,990.37x = 229,486.77 × 53,151.39
  4. Step 4: Simplify right side
    152,990.37x = 12,197,540,812.11
  5. Step 5: Solve for x
    x = 12,197,540,812.11/152,990.37
  6. Step 6: Final answer
    x = 79,727.51

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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.