Home / 251,153.28-346,591.62-137,983.32

Finding the Fourth Proportional to 251,153.28, 346,591.62 and 137,983.32

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Solution

The fourth proportional to 251,153.28, 346,591.62 and 137,983.32 is: 190,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,153.28 : 346,591.62 = 137,983.32 : x
  2. Step 2: Convert to fraction form
    251,153.28/346,591.62 = 137,983.32/x
  3. Step 3: Cross multiply
    251,153.28x = 346,591.62 × 137,983.32
  4. Step 4: Simplify right side
    251,153.28x = 47,823,862,411.78
  5. Step 5: Solve for x
    x = 47,823,862,411.78/251,153.28
  6. Step 6: Final answer
    x = 190,417.03

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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.