Home / 140,337.11-193,662.95-76,673.54

Finding the Fourth Proportional to 140,337.11, 193,662.95 and 76,673.54

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Solution

The fourth proportional to 140,337.11, 193,662.95 and 76,673.54 is: 105,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,337.11 : 193,662.95 = 76,673.54 : x
  2. Step 2: Convert to fraction form
    140,337.11/193,662.95 = 76,673.54/x
  3. Step 3: Cross multiply
    140,337.11x = 193,662.95 × 76,673.54
  4. Step 4: Simplify right side
    140,337.11x = 14,848,822,591.66
  5. Step 5: Solve for x
    x = 14,848,822,591.66/140,337.11
  6. Step 6: Final answer
    x = 105,808.24

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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.