Home / 140,224.15-193,507.14-76,560.58

Finding the Fourth Proportional to 140,224.15, 193,507.14 and 76,560.58

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Solution

The fourth proportional to 140,224.15, 193,507.14 and 76,560.58 is: 105,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,224.15 : 193,507.14 = 76,560.58 : x
  2. Step 2: Convert to fraction form
    140,224.15/193,507.14 = 76,560.58/x
  3. Step 3: Cross multiply
    140,224.15x = 193,507.14 × 76,560.58
  4. Step 4: Simplify right side
    140,224.15x = 14,815,018,872.54
  5. Step 5: Solve for x
    x = 14,815,018,872.54/140,224.15
  6. Step 6: Final answer
    x = 105,652.41

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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.