Home / 346,049.40-518,901.30-158,849.40

Finding the Fourth Proportional to 346,049.40, 518,901.30 and 158,849.40

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Solution

The fourth proportional to 346,049.40, 518,901.30 and 158,849.40 is: 238,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,049.40 : 518,901.30 = 158,849.40 : x
  2. Step 2: Convert to fraction form
    346,049.40/518,901.30 = 158,849.40/x
  3. Step 3: Cross multiply
    346,049.40x = 518,901.30 × 158,849.40
  4. Step 4: Simplify right side
    346,049.40x = 82,427,160,164.22
  5. Step 5: Solve for x
    x = 82,427,160,164.22/346,049.40
  6. Step 6: Final answer
    x = 238,194.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.