Home / 129,101.02-178,109.76-95,190.10

Finding the Fourth Proportional to 129,101.02, 178,109.76 and 95,190.10

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Solution

The fourth proportional to 129,101.02, 178,109.76 and 95,190.10 is: 131,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,101.02 : 178,109.76 = 95,190.10 : x
  2. Step 2: Convert to fraction form
    129,101.02/178,109.76 = 95,190.10/x
  3. Step 3: Cross multiply
    129,101.02x = 178,109.76 × 95,190.10
  4. Step 4: Simplify right side
    129,101.02x = 16,954,285,865.38
  5. Step 5: Solve for x
    x = 16,954,285,865.38/129,101.02
  6. Step 6: Final answer
    x = 131,325.73

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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.