Home / 108,341.60-149,552.40-96,990.56

Finding the Fourth Proportional to 108,341.60, 149,552.40 and 96,990.56

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Solution

The fourth proportional to 108,341.60, 149,552.40 and 96,990.56 is: 133,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,341.60 : 149,552.40 = 96,990.56 : x
  2. Step 2: Convert to fraction form
    108,341.60/149,552.40 = 96,990.56/x
  3. Step 3: Cross multiply
    108,341.60x = 149,552.40 × 96,990.56
  4. Step 4: Simplify right side
    108,341.60x = 14,505,171,025.34
  5. Step 5: Solve for x
    x = 14,505,171,025.34/108,341.60
  6. Step 6: Final answer
    x = 133,883.67

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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.