Home / 460,199.07-690,327.77-144,668.43

Finding the Fourth Proportional to 460,199.07, 690,327.77 and 144,668.43

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Solution

The fourth proportional to 460,199.07, 690,327.77 and 144,668.43 is: 217,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,199.07 : 690,327.77 = 144,668.43 : x
  2. Step 2: Convert to fraction form
    460,199.07/690,327.77 = 144,668.43/x
  3. Step 3: Cross multiply
    460,199.07x = 690,327.77 × 144,668.43
  4. Step 4: Simplify right side
    460,199.07x = 99,868,633,947.96
  5. Step 5: Solve for x
    x = 99,868,633,947.96/460,199.07
  6. Step 6: Final answer
    x = 217,011.81

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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.