Home / 312,623.37-468,839.30-112,919.13

Finding the Fourth Proportional to 312,623.37, 468,839.30 and 112,919.13

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Solution

The fourth proportional to 312,623.37, 468,839.30 and 112,919.13 is: 169,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,623.37 : 468,839.30 = 112,919.13 : x
  2. Step 2: Convert to fraction form
    312,623.37/468,839.30 = 112,919.13/x
  3. Step 3: Cross multiply
    312,623.37x = 468,839.30 × 112,919.13
  4. Step 4: Simplify right side
    312,623.37x = 52,940,925,301.21
  5. Step 5: Solve for x
    x = 52,940,925,301.21/312,623.37
  6. Step 6: Final answer
    x = 169,344.11

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1.5x scale

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.