Home / 445,500.65-668,217.37-141,882.54

Finding the Fourth Proportional to 445,500.65, 668,217.37 and 141,882.54

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Solution

The fourth proportional to 445,500.65, 668,217.37 and 141,882.54 is: 212,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,500.65 : 668,217.37 = 141,882.54 : x
  2. Step 2: Convert to fraction form
    445,500.65/668,217.37 = 141,882.54/x
  3. Step 3: Cross multiply
    445,500.65x = 668,217.37 × 141,882.54
  4. Step 4: Simplify right side
    445,500.65x = 94,808,374,386.63
  5. Step 5: Solve for x
    x = 94,808,374,386.63/445,500.65
  6. Step 6: Final answer
    x = 212,813.10

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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.