Home / 131,434.90-197,180.43-48,328.90

Finding the Fourth Proportional to 131,434.90, 197,180.43 and 48,328.90

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Solution

The fourth proportional to 131,434.90, 197,180.43 and 48,328.90 is: 72,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,434.90 : 197,180.43 = 48,328.90 : x
  2. Step 2: Convert to fraction form
    131,434.90/197,180.43 = 48,328.90/x
  3. Step 3: Cross multiply
    131,434.90x = 197,180.43 × 48,328.90
  4. Step 4: Simplify right side
    131,434.90x = 9,529,513,283.43
  5. Step 5: Solve for x
    x = 9,529,513,283.43/131,434.90
  6. Step 6: Final answer
    x = 72,503.68

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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.