Home / 445,768.48-668,675.04-146,222.56

Finding the Fourth Proportional to 445,768.48, 668,675.04 and 146,222.56

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Solution

The fourth proportional to 445,768.48, 668,675.04 and 146,222.56 is: 219,341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,768.48 : 668,675.04 = 146,222.56 : x
  2. Step 2: Convert to fraction form
    445,768.48/668,675.04 = 146,222.56/x
  3. Step 3: Cross multiply
    445,768.48x = 668,675.04 × 146,222.56
  4. Step 4: Simplify right side
    445,768.48x = 97,775,376,156.90
  5. Step 5: Solve for x
    x = 97,775,376,156.90/445,768.48
  6. Step 6: Final answer
    x = 219,341.16

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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.