Home / 226,254.10-312,160.40-130,725.94

Finding the Fourth Proportional to 226,254.10, 312,160.40 and 130,725.94

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Solution

The fourth proportional to 226,254.10, 312,160.40 and 130,725.94 is: 180,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,254.10 : 312,160.40 = 130,725.94 : x
  2. Step 2: Convert to fraction form
    226,254.10/312,160.40 = 130,725.94/x
  3. Step 3: Cross multiply
    226,254.10x = 312,160.40 × 130,725.94
  4. Step 4: Simplify right side
    226,254.10x = 40,807,461,720.78
  5. Step 5: Solve for x
    x = 40,807,461,720.78/226,254.10
  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.