Home / 112,186.29-168,311.33-45,674.16

Finding the Fourth Proportional to 112,186.29, 168,311.33 and 45,674.16

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Solution

The fourth proportional to 112,186.29, 168,311.33 and 45,674.16 is: 68,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,186.29 : 168,311.33 = 45,674.16 : x
  2. Step 2: Convert to fraction form
    112,186.29/168,311.33 = 45,674.16/x
  3. Step 3: Cross multiply
    112,186.29x = 168,311.33 × 45,674.16
  4. Step 4: Simplify right side
    112,186.29x = 7,687,478,616.23
  5. Step 5: Solve for x
    x = 7,687,478,616.23/112,186.29
  6. Step 6: Final answer
    x = 68,524.23

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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.