Home / 129,493.47-178,688.12-95,520.32

Finding the Fourth Proportional to 129,493.47, 178,688.12 and 95,520.32

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Solution

The fourth proportional to 129,493.47, 178,688.12 and 95,520.32 is: 131,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,493.47 : 178,688.12 = 95,520.32 : x
  2. Step 2: Convert to fraction form
    129,493.47/178,688.12 = 95,520.32/x
  3. Step 3: Cross multiply
    129,493.47x = 178,688.12 × 95,520.32
  4. Step 4: Simplify right side
    129,493.47x = 17,068,345,031.56
  5. Step 5: Solve for x
    x = 17,068,345,031.56/129,493.47
  6. Step 6: Final answer
    x = 131,808.54

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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.