Home / 345,743.04-518,818.64-146,050.48

Finding the Fourth Proportional to 345,743.04, 518,818.64 and 146,050.48

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Solution

The fourth proportional to 345,743.04, 518,818.64 and 146,050.48 is: 219,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,743.04 : 518,818.64 = 146,050.48 : x
  2. Step 2: Convert to fraction form
    345,743.04/518,818.64 = 146,050.48/x
  3. Step 3: Cross multiply
    345,743.04x = 518,818.64 × 146,050.48
  4. Step 4: Simplify right side
    345,743.04x = 75,773,711,404.95
  5. Step 5: Solve for x
    x = 75,773,711,404.95/345,743.04
  6. Step 6: Final answer
    x = 219,161.93

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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.