Home / 140,929.60-194,490.79-83,602.86

Finding the Fourth Proportional to 140,929.60, 194,490.79 and 83,602.86

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Solution

The fourth proportional to 140,929.60, 194,490.79 and 83,602.86 is: 115,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,929.60 : 194,490.79 = 83,602.86 : x
  2. Step 2: Convert to fraction form
    140,929.60/194,490.79 = 83,602.86/x
  3. Step 3: Cross multiply
    140,929.60x = 194,490.79 × 83,602.86
  4. Step 4: Simplify right side
    140,929.60x = 16,259,986,913.59
  5. Step 5: Solve for x
    x = 16,259,986,913.59/140,929.60
  6. Step 6: Final answer
    x = 115,376.66

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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.