Home / 152,965.23-229,369.07-68,653.12

Finding the Fourth Proportional to 152,965.23, 229,369.07 and 68,653.12

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Solution

The fourth proportional to 152,965.23, 229,369.07 and 68,653.12 is: 102,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,965.23 : 229,369.07 = 68,653.12 : x
  2. Step 2: Convert to fraction form
    152,965.23/229,369.07 = 68,653.12/x
  3. Step 3: Cross multiply
    152,965.23x = 229,369.07 × 68,653.12
  4. Step 4: Simplify right side
    152,965.23x = 15,746,901,929.10
  5. Step 5: Solve for x
    x = 15,746,901,929.10/152,965.23
  6. Step 6: Final answer
    x = 102,944.32

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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.