Home / 460,228.50-690,351.39-127,813.14

Finding the Fourth Proportional to 460,228.50, 690,351.39 and 127,813.14

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Solution

The fourth proportional to 460,228.50, 690,351.39 and 127,813.14 is: 191,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,228.50 : 690,351.39 = 127,813.14 : x
  2. Step 2: Convert to fraction form
    460,228.50/690,351.39 = 127,813.14/x
  3. Step 3: Cross multiply
    460,228.50x = 690,351.39 × 127,813.14
  4. Step 4: Simplify right side
    460,228.50x = 88,235,978,859.26
  5. Step 5: Solve for x
    x = 88,235,978,859.26/460,228.50
  6. Step 6: Final answer
    x = 191,722.11

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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.