Home / 194,844.80-291,748.80-124,342.40

Finding the Fourth Proportional to 194,844.80, 291,748.80 and 124,342.40

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Solution

The fourth proportional to 194,844.80, 291,748.80 and 124,342.40 is: 186,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,844.80 : 291,748.80 = 124,342.40 : x
  2. Step 2: Convert to fraction form
    194,844.80/291,748.80 = 124,342.40/x
  3. Step 3: Cross multiply
    194,844.80x = 291,748.80 × 124,342.40
  4. Step 4: Simplify right side
    194,844.80x = 36,276,745,989.12
  5. Step 5: Solve for x
    x = 36,276,745,989.12/194,844.80
  6. Step 6: Final answer
    x = 186,182.78

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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.