Home / 266,584.61-367,911.90-145,743.74

Finding the Fourth Proportional to 266,584.61, 367,911.90 and 145,743.74

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Solution

The fourth proportional to 266,584.61, 367,911.90 and 145,743.74 is: 201,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,584.61 : 367,911.90 = 145,743.74 : x
  2. Step 2: Convert to fraction form
    266,584.61/367,911.90 = 145,743.74/x
  3. Step 3: Cross multiply
    266,584.61x = 367,911.90 × 145,743.74
  4. Step 4: Simplify right side
    266,584.61x = 53,620,856,296.51
  5. Step 5: Solve for x
    x = 53,620,856,296.51/266,584.61
  6. Step 6: Final answer
    x = 201,140.10

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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.