Home / 140,049.60-193,262.59-76,383.60

Finding the Fourth Proportional to 140,049.60, 193,262.59 and 76,383.60

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Solution

The fourth proportional to 140,049.60, 193,262.59 and 76,383.60 is: 105,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,049.60 : 193,262.59 = 76,383.60 : x
  2. Step 2: Convert to fraction form
    140,049.60/193,262.59 = 76,383.60/x
  3. Step 3: Cross multiply
    140,049.60x = 193,262.59 × 76,383.60
  4. Step 4: Simplify right side
    140,049.60x = 14,762,092,369.52
  5. Step 5: Solve for x
    x = 14,762,092,369.52/140,049.60
  6. Step 6: Final answer
    x = 105,406.17

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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.