Home / 102,519.10-153,778.65-92,677.60

Finding the Fourth Proportional to 102,519.10, 153,778.65 and 92,677.60

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Solution

The fourth proportional to 102,519.10, 153,778.65 and 92,677.60 is: 139,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,519.10 : 153,778.65 = 92,677.60 : x
  2. Step 2: Convert to fraction form
    102,519.10/153,778.65 = 92,677.60/x
  3. Step 3: Cross multiply
    102,519.10x = 153,778.65 × 92,677.60
  4. Step 4: Simplify right side
    102,519.10x = 14,251,836,213.24
  5. Step 5: Solve for x
    x = 14,251,836,213.24/102,519.10
  6. Step 6: Final answer
    x = 139,016.40

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1.5x scale

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.