Home / 358,511.03-537,781.34-105,791.50

Finding the Fourth Proportional to 358,511.03, 537,781.34 and 105,791.50

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Solution

The fourth proportional to 358,511.03, 537,781.34 and 105,791.50 is: 158,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,511.03 : 537,781.34 = 105,791.50 : x
  2. Step 2: Convert to fraction form
    358,511.03/537,781.34 = 105,791.50/x
  3. Step 3: Cross multiply
    358,511.03x = 537,781.34 × 105,791.50
  4. Step 4: Simplify right side
    358,511.03x = 56,892,695,567.32
  5. Step 5: Solve for x
    x = 56,892,695,567.32/358,511.03
  6. Step 6: Final answer
    x = 158,691.62

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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.