Home / 140,222.70-193,498.31-76,560.34

Finding the Fourth Proportional to 140,222.70, 193,498.31 and 76,560.34

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Solution

The fourth proportional to 140,222.70, 193,498.31 and 76,560.34 is: 105,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,222.70 : 193,498.31 = 76,560.34 : x
  2. Step 2: Convert to fraction form
    140,222.70/193,498.31 = 76,560.34/x
  3. Step 3: Cross multiply
    140,222.70x = 193,498.31 × 76,560.34
  4. Step 4: Simplify right side
    140,222.70x = 14,814,296,403.03
  5. Step 5: Solve for x
    x = 14,814,296,403.03/140,222.70
  6. Step 6: Final answer
    x = 105,648.35

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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.