Home / 226,106.64-312,082.20-135,516.24

Finding the Fourth Proportional to 226,106.64, 312,082.20 and 135,516.24

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Solution

The fourth proportional to 226,106.64, 312,082.20 and 135,516.24 is: 187,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,106.64 : 312,082.20 = 135,516.24 : x
  2. Step 2: Convert to fraction form
    226,106.64/312,082.20 = 135,516.24/x
  3. Step 3: Cross multiply
    226,106.64x = 312,082.20 × 135,516.24
  4. Step 4: Simplify right side
    226,106.64x = 42,292,206,314.93
  5. Step 5: Solve for x
    x = 42,292,206,314.93/226,106.64
  6. Step 6: Final answer
    x = 187,045.40

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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.