Home / 460,237.46-690,350.70-118,679.09

Finding the Fourth Proportional to 460,237.46, 690,350.70 and 118,679.09

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Solution

The fourth proportional to 460,237.46, 690,350.70 and 118,679.09 is: 178,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,237.46 : 690,350.70 = 118,679.09 : x
  2. Step 2: Convert to fraction form
    460,237.46/690,350.70 = 118,679.09/x
  3. Step 3: Cross multiply
    460,237.46x = 690,350.70 × 118,679.09
  4. Step 4: Simplify right side
    460,237.46x = 81,930,189,405.11
  5. Step 5: Solve for x
    x = 81,930,189,405.11/460,237.46
  6. Step 6: Final answer
    x = 178,017.21

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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.