Home / 194,579.40-291,869.10-76,211.40

Finding the Fourth Proportional to 194,579.40, 291,869.10 and 76,211.40

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Solution

The fourth proportional to 194,579.40, 291,869.10 and 76,211.40 is: 114,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,579.40 : 291,869.10 = 76,211.40 : x
  2. Step 2: Convert to fraction form
    194,579.40/291,869.10 = 76,211.40/x
  3. Step 3: Cross multiply
    194,579.40x = 291,869.10 × 76,211.40
  4. Step 4: Simplify right side
    194,579.40x = 22,243,752,727.74
  5. Step 5: Solve for x
    x = 22,243,752,727.74/194,579.40
  6. Step 6: Final answer
    x = 114,317.10

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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.