Home / 402,493.15-603,733.44-102,971.14

Finding the Fourth Proportional to 402,493.15, 603,733.44 and 102,971.14

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Solution

The fourth proportional to 402,493.15, 603,733.44 and 102,971.14 is: 154,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,493.15 : 603,733.44 = 102,971.14 : x
  2. Step 2: Convert to fraction form
    402,493.15/603,733.44 = 102,971.14/x
  3. Step 3: Cross multiply
    402,493.15x = 603,733.44 × 102,971.14
  4. Step 4: Simplify right side
    402,493.15x = 62,167,120,572.92
  5. Step 5: Solve for x
    x = 62,167,120,572.92/402,493.15
  6. Step 6: Final answer
    x = 154,455.10

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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.