Home / 210,885.01-316,331.18-77,696.71

Finding the Fourth Proportional to 210,885.01, 316,331.18 and 77,696.71

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Solution

The fourth proportional to 210,885.01, 316,331.18 and 77,696.71 is: 116,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,885.01 : 316,331.18 = 77,696.71 : x
  2. Step 2: Convert to fraction form
    210,885.01/316,331.18 = 77,696.71/x
  3. Step 3: Cross multiply
    210,885.01x = 316,331.18 × 77,696.71
  4. Step 4: Simplify right side
    210,885.01x = 24,577,891,956.42
  5. Step 5: Solve for x
    x = 24,577,891,956.42/210,885.01
  6. Step 6: Final answer
    x = 116,546.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.