Home / 140,726.65-194,196.94-77,063.35

Finding the Fourth Proportional to 140,726.65, 194,196.94 and 77,063.35

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Solution

The fourth proportional to 140,726.65, 194,196.94 and 77,063.35 is: 106,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,726.65 : 194,196.94 = 77,063.35 : x
  2. Step 2: Convert to fraction form
    140,726.65/194,196.94 = 77,063.35/x
  3. Step 3: Cross multiply
    140,726.65x = 194,196.94 × 77,063.35
  4. Step 4: Simplify right side
    140,726.65x = 14,965,466,756.15
  5. Step 5: Solve for x
    x = 14,965,466,756.15/140,726.65
  6. Step 6: Final answer
    x = 106,344.23

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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.