Home / 460,146.07-690,288.77-144,573.31

Finding the Fourth Proportional to 460,146.07, 690,288.77 and 144,573.31

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Solution

The fourth proportional to 460,146.07, 690,288.77 and 144,573.31 is: 216,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,146.07 : 690,288.77 = 144,573.31 : x
  2. Step 2: Convert to fraction form
    460,146.07/690,288.77 = 144,573.31/x
  3. Step 3: Cross multiply
    460,146.07x = 690,288.77 × 144,573.31
  4. Step 4: Simplify right side
    460,146.07x = 99,797,332,334.73
  5. Step 5: Solve for x
    x = 99,797,332,334.73/460,146.07
  6. Step 6: Final answer
    x = 216,881.85

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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.