Home / 460,133.82-690,270.39-144,561.06

Finding the Fourth Proportional to 460,133.82, 690,270.39 and 144,561.06

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Solution

The fourth proportional to 460,133.82, 690,270.39 and 144,561.06 is: 216,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,133.82 : 690,270.39 = 144,561.06 : x
  2. Step 2: Convert to fraction form
    460,133.82/690,270.39 = 144,561.06/x
  3. Step 3: Cross multiply
    460,133.82x = 690,270.39 × 144,561.06
  4. Step 4: Simplify right side
    460,133.82x = 99,786,219,265.01
  5. Step 5: Solve for x
    x = 99,786,219,265.01/460,133.82
  6. Step 6: Final answer
    x = 216,863.48

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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.