Home / 194,468.20-291,119.10-115,541.80

Finding the Fourth Proportional to 194,468.20, 291,119.10 and 115,541.80

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Solution

The fourth proportional to 194,468.20, 291,119.10 and 115,541.80 is: 172,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,468.20 : 291,119.10 = 115,541.80 : x
  2. Step 2: Convert to fraction form
    194,468.20/291,119.10 = 115,541.80/x
  3. Step 3: Cross multiply
    194,468.20x = 291,119.10 × 115,541.80
  4. Step 4: Simplify right side
    194,468.20x = 33,636,424,828.38
  5. Step 5: Solve for x
    x = 33,636,424,828.38/194,468.20
  6. Step 6: Final answer
    x = 172,966.20

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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.