Home / 108,478.38-149,594.99-84,596.34

Finding the Fourth Proportional to 108,478.38, 149,594.99 and 84,596.34

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Solution

The fourth proportional to 108,478.38, 149,594.99 and 84,596.34 is: 116,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,478.38 : 149,594.99 = 84,596.34 : x
  2. Step 2: Convert to fraction form
    108,478.38/149,594.99 = 84,596.34/x
  3. Step 3: Cross multiply
    108,478.38x = 149,594.99 × 84,596.34
  4. Step 4: Simplify right side
    108,478.38x = 12,655,188,636.34
  5. Step 5: Solve for x
    x = 12,655,188,636.34/108,478.38
  6. Step 6: Final answer
    x = 116,660.93

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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.