Home / 133,014.35-183,563.71-72,588.89

Finding the Fourth Proportional to 133,014.35, 183,563.71 and 72,588.89

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Solution

The fourth proportional to 133,014.35, 183,563.71 and 72,588.89 is: 100,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,014.35 : 183,563.71 = 72,588.89 : x
  2. Step 2: Convert to fraction form
    133,014.35/183,563.71 = 72,588.89/x
  3. Step 3: Cross multiply
    133,014.35x = 183,563.71 × 72,588.89
  4. Step 4: Simplify right side
    133,014.35x = 13,324,686,434.78
  5. Step 5: Solve for x
    x = 13,324,686,434.78/133,014.35
  6. Step 6: Final answer
    x = 100,174.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.