Home / 447,798.40-671,683.20-148,292.80

Finding the Fourth Proportional to 447,798.40, 671,683.20 and 148,292.80

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Solution

The fourth proportional to 447,798.40, 671,683.20 and 148,292.80 is: 222,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,798.40 : 671,683.20 = 148,292.80 : x
  2. Step 2: Convert to fraction form
    447,798.40/671,683.20 = 148,292.80/x
  3. Step 3: Cross multiply
    447,798.40x = 671,683.20 × 148,292.80
  4. Step 4: Simplify right side
    447,798.40x = 99,605,782,440.96
  5. Step 5: Solve for x
    x = 99,605,782,440.96/447,798.40
  6. Step 6: Final answer
    x = 222,434.43

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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.