Home / 434,296.80-651,532.28-149,997.78

Finding the Fourth Proportional to 434,296.80, 651,532.28 and 149,997.78

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Solution

The fourth proportional to 434,296.80, 651,532.28 and 149,997.78 is: 225,026.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,296.80 : 651,532.28 = 149,997.78 : x
  2. Step 2: Convert to fraction form
    434,296.80/651,532.28 = 149,997.78/x
  3. Step 3: Cross multiply
    434,296.80x = 651,532.28 × 149,997.78
  4. Step 4: Simplify right side
    434,296.80x = 97,728,395,598.34
  5. Step 5: Solve for x
    x = 97,728,395,598.34/434,296.80
  6. Step 6: Final answer
    x = 225,026.75

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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.