Home / 251,033.42-346,428.35-137,856.98

Finding the Fourth Proportional to 251,033.42, 346,428.35 and 137,856.98

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Solution

The fourth proportional to 251,033.42, 346,428.35 and 137,856.98 is: 190,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,033.42 : 346,428.35 = 137,856.98 : x
  2. Step 2: Convert to fraction form
    251,033.42/346,428.35 = 137,856.98/x
  3. Step 3: Cross multiply
    251,033.42x = 346,428.35 × 137,856.98
  4. Step 4: Simplify right side
    251,033.42x = 47,757,563,695.96
  5. Step 5: Solve for x
    x = 47,757,563,695.96/251,033.42
  6. Step 6: Final answer
    x = 190,243.85

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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.