Home / 140,026.10-193,228.32-79,588.34

Finding the Fourth Proportional to 140,026.10, 193,228.32 and 79,588.34

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Solution

The fourth proportional to 140,026.10, 193,228.32 and 79,588.34 is: 109,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,026.10 : 193,228.32 = 79,588.34 : x
  2. Step 2: Convert to fraction form
    140,026.10/193,228.32 = 79,588.34/x
  3. Step 3: Cross multiply
    140,026.10x = 193,228.32 × 79,588.34
  4. Step 4: Simplify right side
    140,026.10x = 15,378,721,229.79
  5. Step 5: Solve for x
    x = 15,378,721,229.79/140,026.10
  6. Step 6: Final answer
    x = 109,827.53

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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.