Home / 385,723.05-578,676.95-160,958.45

Finding the Fourth Proportional to 385,723.05, 578,676.95 and 160,958.45

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Solution

The fourth proportional to 385,723.05, 578,676.95 and 160,958.45 is: 241,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,723.05 : 578,676.95 = 160,958.45 : x
  2. Step 2: Convert to fraction form
    385,723.05/578,676.95 = 160,958.45/x
  3. Step 3: Cross multiply
    385,723.05x = 578,676.95 × 160,958.45
  4. Step 4: Simplify right side
    385,723.05x = 93,142,944,922.73
  5. Step 5: Solve for x
    x = 93,142,944,922.73/385,723.05
  6. Step 6: Final answer
    x = 241,476.22

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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.