Home / 178,254.42-267,378.78-43,319.58

Finding the Fourth Proportional to 178,254.42, 267,378.78 and 43,319.58

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Solution

The fourth proportional to 178,254.42, 267,378.78 and 43,319.58 is: 64,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,254.42 : 267,378.78 = 43,319.58 : x
  2. Step 2: Convert to fraction form
    178,254.42/267,378.78 = 43,319.58/x
  3. Step 3: Cross multiply
    178,254.42x = 267,378.78 × 43,319.58
  4. Step 4: Simplify right side
    178,254.42x = 11,582,736,450.51
  5. Step 5: Solve for x
    x = 11,582,736,450.51/178,254.42
  6. Step 6: Final answer
    x = 64,978.68

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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.