Home / 177,743.34-266,438.43-72,637.74

Finding the Fourth Proportional to 177,743.34, 266,438.43 and 72,637.74

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Solution

The fourth proportional to 177,743.34, 266,438.43 and 72,637.74 is: 108,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,743.34 : 266,438.43 = 72,637.74 : x
  2. Step 2: Convert to fraction form
    177,743.34/266,438.43 = 72,637.74/x
  3. Step 3: Cross multiply
    177,743.34x = 266,438.43 × 72,637.74
  4. Step 4: Simplify right side
    177,743.34x = 19,353,485,404.35
  5. Step 5: Solve for x
    x = 19,353,485,404.35/177,743.34
  6. Step 6: Final answer
    x = 108,884.45

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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.