Home / 178,406.43-267,706.54-103,580.36

Finding the Fourth Proportional to 178,406.43, 267,706.54 and 103,580.36

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Solution

The fourth proportional to 178,406.43, 267,706.54 and 103,580.36 is: 155,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,406.43 : 267,706.54 = 103,580.36 : x
  2. Step 2: Convert to fraction form
    178,406.43/267,706.54 = 103,580.36/x
  3. Step 3: Cross multiply
    178,406.43x = 267,706.54 × 103,580.36
  4. Step 4: Simplify right side
    178,406.43x = 27,729,139,528.60
  5. Step 5: Solve for x
    x = 27,729,139,528.60/178,406.43
  6. Step 6: Final answer
    x = 155,426.80

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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.