Home / 176,436.72-243,493.56-100,983.60

Finding the Fourth Proportional to 176,436.72, 243,493.56 and 100,983.60

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Solution

The fourth proportional to 176,436.72, 243,493.56 and 100,983.60 is: 139,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,436.72 : 243,493.56 = 100,983.60 : x
  2. Step 2: Convert to fraction form
    176,436.72/243,493.56 = 100,983.60/x
  3. Step 3: Cross multiply
    176,436.72x = 243,493.56 × 100,983.60
  4. Step 4: Simplify right side
    176,436.72x = 24,588,856,265.62
  5. Step 5: Solve for x
    x = 24,588,856,265.62/176,436.72
  6. Step 6: Final answer
    x = 139,363.60

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1.5x scale

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.