Home / 226,261.59-312,170.76-130,733.43

Finding the Fourth Proportional to 226,261.59, 312,170.76 and 130,733.43

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Solution

The fourth proportional to 226,261.59, 312,170.76 and 130,733.43 is: 180,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,261.59 : 312,170.76 = 130,733.43 : x
  2. Step 2: Convert to fraction form
    226,261.59/312,170.76 = 130,733.43/x
  3. Step 3: Cross multiply
    226,261.59x = 312,170.76 × 130,733.43
  4. Step 4: Simplify right side
    226,261.59x = 40,811,154,200.51
  5. Step 5: Solve for x
    x = 40,811,154,200.51/226,261.59
  6. Step 6: Final answer
    x = 180,371.55

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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.