Home / 387,350.75-581,059.62-106,868.00

Finding the Fourth Proportional to 387,350.75, 581,059.62 and 106,868.00

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Solution

The fourth proportional to 387,350.75, 581,059.62 and 106,868.00 is: 160,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,350.75 : 581,059.62 = 106,868.00 : x
  2. Step 2: Convert to fraction form
    387,350.75/581,059.62 = 106,868.00/x
  3. Step 3: Cross multiply
    387,350.75x = 581,059.62 × 106,868.00
  4. Step 4: Simplify right side
    387,350.75x = 62,096,676,564.86
  5. Step 5: Solve for x
    x = 62,096,676,564.86/387,350.75
  6. Step 6: Final answer
    x = 160,311.24

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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.