Home / 149,722.20-224,669.70-56,237.40

Finding the Fourth Proportional to 149,722.20, 224,669.70 and 56,237.40

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Solution

The fourth proportional to 149,722.20, 224,669.70 and 56,237.40 is: 84,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,722.20 : 224,669.70 = 56,237.40 : x
  2. Step 2: Convert to fraction form
    149,722.20/224,669.70 = 56,237.40/x
  3. Step 3: Cross multiply
    149,722.20x = 224,669.70 × 56,237.40
  4. Step 4: Simplify right side
    149,722.20x = 12,634,839,786.78
  5. Step 5: Solve for x
    x = 12,634,839,786.78/149,722.20
  6. Step 6: Final answer
    x = 84,388.55

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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.