Home / 219,268.81-328,903.24-53,056.81

Finding the Fourth Proportional to 219,268.81, 328,903.24 and 53,056.81

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Solution

The fourth proportional to 219,268.81, 328,903.24 and 53,056.81 is: 79,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,268.81 : 328,903.24 = 53,056.81 : x
  2. Step 2: Convert to fraction form
    219,268.81/328,903.24 = 53,056.81/x
  3. Step 3: Cross multiply
    219,268.81x = 328,903.24 × 53,056.81
  4. Step 4: Simplify right side
    219,268.81x = 17,450,556,713.06
  5. Step 5: Solve for x
    x = 17,450,556,713.06/219,268.81
  6. Step 6: Final answer
    x = 79,585.22

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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.