Home / 356,926.40-534,820.96-188,439.92

Finding the Fourth Proportional to 356,926.40, 534,820.96 and 188,439.92

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Solution

The fourth proportional to 356,926.40, 534,820.96 and 188,439.92 is: 282,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,926.40 : 534,820.96 = 188,439.92 : x
  2. Step 2: Convert to fraction form
    356,926.40/534,820.96 = 188,439.92/x
  3. Step 3: Cross multiply
    356,926.40x = 534,820.96 × 188,439.92
  4. Step 4: Simplify right side
    356,926.40x = 100,781,618,916.72
  5. Step 5: Solve for x
    x = 100,781,618,916.72/356,926.40
  6. Step 6: Final answer
    x = 282,359.67

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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.