Home / 178,655.10-267,880.59-73,387.50

Finding the Fourth Proportional to 178,655.10, 267,880.59 and 73,387.50

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Solution

The fourth proportional to 178,655.10, 267,880.59 and 73,387.50 is: 110,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,655.10 : 267,880.59 = 73,387.50 : x
  2. Step 2: Convert to fraction form
    178,655.10/267,880.59 = 73,387.50/x
  3. Step 3: Cross multiply
    178,655.10x = 267,880.59 × 73,387.50
  4. Step 4: Simplify right side
    178,655.10x = 19,659,086,798.63
  5. Step 5: Solve for x
    x = 19,659,086,798.63/178,655.10
  6. Step 6: Final answer
    x = 110,039.33

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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.