Home / 140,562.64-193,975.86-76,031.92

Finding the Fourth Proportional to 140,562.64, 193,975.86 and 76,031.92

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Solution

The fourth proportional to 140,562.64, 193,975.86 and 76,031.92 is: 104,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,562.64 : 193,975.86 = 76,031.92 : x
  2. Step 2: Convert to fraction form
    140,562.64/193,975.86 = 76,031.92/x
  3. Step 3: Cross multiply
    140,562.64x = 193,975.86 × 76,031.92
  4. Step 4: Simplify right side
    140,562.64x = 14,748,356,505.93
  5. Step 5: Solve for x
    x = 14,748,356,505.93/140,562.64
  6. Step 6: Final answer
    x = 104,923.73

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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.