Home / 226,254.09-312,160.41-130,725.93

Finding the Fourth Proportional to 226,254.09, 312,160.41 and 130,725.93

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Solution

The fourth proportional to 226,254.09, 312,160.41 and 130,725.93 is: 180,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,254.09 : 312,160.41 = 130,725.93 : x
  2. Step 2: Convert to fraction form
    226,254.09/312,160.41 = 130,725.93/x
  3. Step 3: Cross multiply
    226,254.09x = 312,160.41 × 130,725.93
  4. Step 4: Simplify right side
    226,254.09x = 40,807,459,906.43
  5. Step 5: Solve for x
    x = 40,807,459,906.43/226,254.09
  6. Step 6: Final answer
    x = 180,361.20

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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.