Home / 194,614.84-268,417.36-122,968.72

Finding the Fourth Proportional to 194,614.84, 268,417.36 and 122,968.72

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Solution

The fourth proportional to 194,614.84, 268,417.36 and 122,968.72 is: 169,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,614.84 : 268,417.36 = 122,968.72 : x
  2. Step 2: Convert to fraction form
    194,614.84/268,417.36 = 122,968.72/x
  3. Step 3: Cross multiply
    194,614.84x = 268,417.36 × 122,968.72
  4. Step 4: Simplify right side
    194,614.84x = 33,006,939,184.98
  5. Step 5: Solve for x
    x = 33,006,939,184.98/194,614.84
  6. Step 6: Final answer
    x = 169,601.35

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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.