Home / 252,222.94-348,070-139,049.74

Finding the Fourth Proportional to 252,222.94, 348,070 and 139,049.74

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Solution

The fourth proportional to 252,222.94, 348,070 and 139,049.74 is: 191,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,222.94 : 348,070 = 139,049.74 : x
  2. Step 2: Convert to fraction form
    252,222.94/348,070 = 139,049.74/x
  3. Step 3: Cross multiply
    252,222.94x = 348,070 × 139,049.74
  4. Step 4: Simplify right side
    252,222.94x = 48,399,043,001.80
  5. Step 5: Solve for x
    x = 48,399,043,001.80/252,222.94
  6. Step 6: Final answer
    x = 191,889.93

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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.