Home / 194,428.20-291,642.30-124,386.60

Finding the Fourth Proportional to 194,428.20, 291,642.30 and 124,386.60

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Solution

The fourth proportional to 194,428.20, 291,642.30 and 124,386.60 is: 186,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,428.20 : 291,642.30 = 124,386.60 : x
  2. Step 2: Convert to fraction form
    194,428.20/291,642.30 = 124,386.60/x
  3. Step 3: Cross multiply
    194,428.20x = 291,642.30 × 124,386.60
  4. Step 4: Simplify right side
    194,428.20x = 36,276,394,113.18
  5. Step 5: Solve for x
    x = 36,276,394,113.18/194,428.20
  6. Step 6: Final answer
    x = 186,579.90

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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.