Home / 402,263.41-603,376.65-117,942.49

Finding the Fourth Proportional to 402,263.41, 603,376.65 and 117,942.49

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Solution

The fourth proportional to 402,263.41, 603,376.65 and 117,942.49 is: 176,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,263.41 : 603,376.65 = 117,942.49 : x
  2. Step 2: Convert to fraction form
    402,263.41/603,376.65 = 117,942.49/x
  3. Step 3: Cross multiply
    402,263.41x = 603,376.65 × 117,942.49
  4. Step 4: Simplify right side
    402,263.41x = 71,163,744,508.86
  5. Step 5: Solve for x
    x = 71,163,744,508.86/402,263.41
  6. Step 6: Final answer
    x = 176,908.32

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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.