Home / 149,661.12-224,605.90-54,981.03

Finding the Fourth Proportional to 149,661.12, 224,605.90 and 54,981.03

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Solution

The fourth proportional to 149,661.12, 224,605.90 and 54,981.03 is: 82,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,661.12 : 224,605.90 = 54,981.03 : x
  2. Step 2: Convert to fraction form
    149,661.12/224,605.90 = 54,981.03/x
  3. Step 3: Cross multiply
    149,661.12x = 224,605.90 × 54,981.03
  4. Step 4: Simplify right side
    149,661.12x = 12,349,063,588.62
  5. Step 5: Solve for x
    x = 12,349,063,588.62/149,661.12
  6. Step 6: Final answer
    x = 82,513.51

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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.