Home / 182,021.40-272,837.70-69,658.20

Finding the Fourth Proportional to 182,021.40, 272,837.70 and 69,658.20

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Solution

The fourth proportional to 182,021.40, 272,837.70 and 69,658.20 is: 104,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,021.40 : 272,837.70 = 69,658.20 : x
  2. Step 2: Convert to fraction form
    182,021.40/272,837.70 = 69,658.20/x
  3. Step 3: Cross multiply
    182,021.40x = 272,837.70 × 69,658.20
  4. Step 4: Simplify right side
    182,021.40x = 19,005,383,074.14
  5. Step 5: Solve for x
    x = 19,005,383,074.14/182,021.40
  6. Step 6: Final answer
    x = 104,412.90

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1.5x scale

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.