Home / 140,592.87-194,017.95-76,930.65

Finding the Fourth Proportional to 140,592.87, 194,017.95 and 76,930.65

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Solution

The fourth proportional to 140,592.87, 194,017.95 and 76,930.65 is: 106,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,592.87 : 194,017.95 = 76,930.65 : x
  2. Step 2: Convert to fraction form
    140,592.87/194,017.95 = 76,930.65/x
  3. Step 3: Cross multiply
    140,592.87x = 194,017.95 × 76,930.65
  4. Step 4: Simplify right side
    140,592.87x = 14,925,927,005.17
  5. Step 5: Solve for x
    x = 14,925,927,005.17/140,592.87
  6. Step 6: Final answer
    x = 106,164.18

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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.