Home / 407,483.03-611,086.11-141,181.40

Finding the Fourth Proportional to 407,483.03, 611,086.11 and 141,181.40

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Solution

The fourth proportional to 407,483.03, 611,086.11 and 141,181.40 is: 211,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,483.03 : 611,086.11 = 141,181.40 : x
  2. Step 2: Convert to fraction form
    407,483.03/611,086.11 = 141,181.40/x
  3. Step 3: Cross multiply
    407,483.03x = 611,086.11 × 141,181.40
  4. Step 4: Simplify right side
    407,483.03x = 86,273,989,474.92
  5. Step 5: Solve for x
    x = 86,273,989,474.92/407,483.03
  6. Step 6: Final answer
    x = 211,724.13

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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.