Home / 346,503.22-478,182.28-203,366.50

Finding the Fourth Proportional to 346,503.22, 478,182.28 and 203,366.50

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Solution

The fourth proportional to 346,503.22, 478,182.28 and 203,366.50 is: 280,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,503.22 : 478,182.28 = 203,366.50 : x
  2. Step 2: Convert to fraction form
    346,503.22/478,182.28 = 203,366.50/x
  3. Step 3: Cross multiply
    346,503.22x = 478,182.28 × 203,366.50
  4. Step 4: Simplify right side
    346,503.22x = 97,246,256,645.62
  5. Step 5: Solve for x
    x = 97,246,256,645.62/346,503.22
  6. Step 6: Final answer
    x = 280,650.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.