Home / 226,391.68-312,516.30-152,820.16

Finding the Fourth Proportional to 226,391.68, 312,516.30 and 152,820.16

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Solution

The fourth proportional to 226,391.68, 312,516.30 and 152,820.16 is: 210,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,391.68 : 312,516.30 = 152,820.16 : x
  2. Step 2: Convert to fraction form
    226,391.68/312,516.30 = 152,820.16/x
  3. Step 3: Cross multiply
    226,391.68x = 312,516.30 × 152,820.16
  4. Step 4: Simplify right side
    226,391.68x = 47,758,790,968.61
  5. Step 5: Solve for x
    x = 47,758,790,968.61/226,391.68
  6. Step 6: Final answer
    x = 210,956.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.