Home / 358,137.03-537,147.12-105,358.38

Finding the Fourth Proportional to 358,137.03, 537,147.12 and 105,358.38

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Solution

The fourth proportional to 358,137.03, 537,147.12 and 105,358.38 is: 158,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,137.03 : 537,147.12 = 105,358.38 : x
  2. Step 2: Convert to fraction form
    358,137.03/537,147.12 = 105,358.38/x
  3. Step 3: Cross multiply
    358,137.03x = 537,147.12 × 105,358.38
  4. Step 4: Simplify right side
    358,137.03x = 56,592,950,384.87
  5. Step 5: Solve for x
    x = 56,592,950,384.87/358,137.03
  6. Step 6: Final answer
    x = 158,020.38

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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.