Home / 429,600.22-644,483.32-163,340.04

Finding the Fourth Proportional to 429,600.22, 644,483.32 and 163,340.04

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Solution

The fourth proportional to 429,600.22, 644,483.32 and 163,340.04 is: 245,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,600.22 : 644,483.32 = 163,340.04 : x
  2. Step 2: Convert to fraction form
    429,600.22/644,483.32 = 163,340.04/x
  3. Step 3: Cross multiply
    429,600.22x = 644,483.32 × 163,340.04
  4. Step 4: Simplify right side
    429,600.22x = 105,269,933,276.60
  5. Step 5: Solve for x
    x = 105,269,933,276.60/429,600.22
  6. Step 6: Final answer
    x = 245,041.62

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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.