Home / 226,055.42-311,984.10-130,562

Finding the Fourth Proportional to 226,055.42, 311,984.10 and 130,562

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Solution

The fourth proportional to 226,055.42, 311,984.10 and 130,562 is: 180,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,055.42 : 311,984.10 = 130,562 : x
  2. Step 2: Convert to fraction form
    226,055.42/311,984.10 = 130,562/x
  3. Step 3: Cross multiply
    226,055.42x = 311,984.10 × 130,562
  4. Step 4: Simplify right side
    226,055.42x = 40,733,268,064.20
  5. Step 5: Solve for x
    x = 40,733,268,064.20/226,055.42
  6. Step 6: Final answer
    x = 180,191.51

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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.