Home / 252,192.72-348,021.68-137,472.64

Finding the Fourth Proportional to 252,192.72, 348,021.68 and 137,472.64

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Solution

The fourth proportional to 252,192.72, 348,021.68 and 137,472.64 is: 189,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,192.72 : 348,021.68 = 137,472.64 : x
  2. Step 2: Convert to fraction form
    252,192.72/348,021.68 = 137,472.64/x
  3. Step 3: Cross multiply
    252,192.72x = 348,021.68 × 137,472.64
  4. Step 4: Simplify right side
    252,192.72x = 47,843,459,126.84
  5. Step 5: Solve for x
    x = 47,843,459,126.84/252,192.72
  6. Step 6: Final answer
    x = 189,709.91

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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.