Home / 211,296.56-316,956.40-53,526.38

Finding the Fourth Proportional to 211,296.56, 316,956.40 and 53,526.38

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Solution

The fourth proportional to 211,296.56, 316,956.40 and 53,526.38 is: 80,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,296.56 : 316,956.40 = 53,526.38 : x
  2. Step 2: Convert to fraction form
    211,296.56/316,956.40 = 53,526.38/x
  3. Step 3: Cross multiply
    211,296.56x = 316,956.40 × 53,526.38
  4. Step 4: Simplify right side
    211,296.56x = 16,965,526,991.23
  5. Step 5: Solve for x
    x = 16,965,526,991.23/211,296.56
  6. Step 6: Final answer
    x = 80,292.49

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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.