Home / 140,586.57-194,001.35-76,925.61

Finding the Fourth Proportional to 140,586.57, 194,001.35 and 76,925.61

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Solution

The fourth proportional to 140,586.57, 194,001.35 and 76,925.61 is: 106,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,586.57 : 194,001.35 = 76,925.61 : x
  2. Step 2: Convert to fraction form
    140,586.57/194,001.35 = 76,925.61/x
  3. Step 3: Cross multiply
    140,586.57x = 194,001.35 × 76,925.61
  4. Step 4: Simplify right side
    140,586.57x = 14,923,671,804.95
  5. Step 5: Solve for x
    x = 14,923,671,804.95/140,586.57
  6. Step 6: Final answer
    x = 106,152.90

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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.