Home / 266,646.12-367,972.31-145,795.20

Finding the Fourth Proportional to 266,646.12, 367,972.31 and 145,795.20

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Solution

The fourth proportional to 266,646.12, 367,972.31 and 145,795.20 is: 201,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,646.12 : 367,972.31 = 145,795.20 : x
  2. Step 2: Convert to fraction form
    266,646.12/367,972.31 = 145,795.20/x
  3. Step 3: Cross multiply
    266,646.12x = 367,972.31 × 145,795.20
  4. Step 4: Simplify right side
    266,646.12x = 53,648,595,801.94
  5. Step 5: Solve for x
    x = 53,648,595,801.94/266,646.12
  6. Step 6: Final answer
    x = 201,197.74

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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.